72 Hour Rules for CCRN Post Arrest Care: What Nurses Must Prioritize

Post-arrest care is the structured, guideline-driven management of a patient in the hours and days after return of spontaneous circulation, and your first job at the bedside is preventing the second injury: hypoxia, hypotension, and fever; for nursing career opportunities in this critical area, explore Post-anesthesia Care Unit jobs in San Ramon, CA. Your priority order is airway and oxygenation, hemodynamic support targeting an adequate MAP, temperature control, and early neurologic monitoring, all while you hunt for the cause. The AHA Part 11 guideline and the AHA/Neurocritical Care Society scientific statement anchor this care, and both warn against one exam trap: don’t call a poor outcome based on one early sign.

TL;DR:

• Maintaining an adequate mean arterial pressure is critical to prevent secondary neurologic injury, especially in the first 72 hours post-ROSC.
• Temperature should be controlled between 32°C and 37.5°C for at least 36 hours, with careful shivering management to prevent ICP spikes.
• Continuous neuro monitoring combining exam, EEG, imaging, and biomarkers is essential for accurate prognosis, but no single test justifies early withdrawal decisions.
• Early intervention includes rapid airway management, lung-protective ventilation, and early cardiac evaluation with emergent angiography if ST-elevation persists.
• Multisystem complications like shock, kidney injury, infection, and ARDS require proactive management, with careful electrolyte and glucose control to optimize neurologic recovery.

Table of Contents

• Post Arrest Care CCRN Takeaways: A Protocol Checklist
• Stabilizing the Patient Right After ROSC
• Cardiac Evaluation and Circulatory Support After Arrest
• Ventilator Strategy and Preventing ARDS After ROSC
• Targeted Temperature Management and Shivering Control
• Neuro Monitoring: EEG, Seizures, and Reading Myoclonus Correctly
• Multimodal Neuroprognostication: When to Trust the Data
• Multisystem Complications You Have To Watch
• Mapping Post-Arrest Content to Your CCRN Study Plan
• Glucose and Electrolyte Management in the Post-Arrest Window
• Preventing Infection During the Post-Arrest ICU Stay
• Rehab Planning and Coordinating the Multidisciplinary Team
• Ethics and Family Communication in the First Days After Arrest
• Why Clinical Judgment Beats the Checklist Here
• Study Post-Arrest Care With Zero Deficit™ CCRN Prep
• Sources
• FAQ

Post Arrest Care CCRN Takeaways: A Protocol Checklist

The CCRN exam tests whether you know which post-arrest actions are strong recommendations and which are consensus-level judgment calls. Here’s the high-yield list, condensed from current guideline language.

• Maintain MAP at a level considered adequate for organ perfusion. Hypotension after ROSC independently worsens neurologic outcome, so this is a critical hemodynamic goal.
• Temperature control between 32°C and 37.5°C for unresponsive patients, maintained for at least 36 hours, with fever avoided for 36 to 72 hours after ROSC.
• Avoid hyperoxia. Titrate FiO2 down once saturation is adequate; oxygen toxicity is a real, measurable risk in the reperfusion period.
• Lung-protective ventilation: tidal volumes of 4 to 8 mL/kg ideal body weight with careful PEEP titration.
• 12-lead ECG immediately, with emergent angiography for ST-elevation and selective angiography for shock or ongoing ischemia without ST-elevation.
• Continuous EEG when available to catch seizures and malignant patterns early.
• No withdrawal decisions before 72 hours based on an isolated exam finding, drug effect, or single biomarker.
• Multimodal prognostication only — combine exam, EEG, imaging, and biomarkers like NSE and NfL rather than leaning on one data point.
• Glucose control avoiding both hypoglycemia below 70 mg/dL and hyperglycemia above 180 mg/dL.
• Identify and treat the cause — cardiac, respiratory, metabolic, or toxicologic — in parallel with supportive care, not after it.

Pro Tip: If a question stem gives you a comatose patient at 24 hours post-arrest with one abnormal pupil exam, the correct answer is almost never “prepare for withdrawal of care.” It’s “continue multimodal monitoring.”

Stabilizing the Patient Right After ROSC

The first hour after ROSC sets the trajectory for everything that follows, and your assessment needs to move fast without skipping steps.

Airway and oxygenation come first. If the patient isn’t protecting their airway or isn’t ventilating adequately, they get intubated. Oxygen levels that run too high can worsen reperfusion injury, so titrate down as soon as you get a reliable pulse oximetry reading and confirm it with an initial arterial blood gas.

Ventilator setup follows lung-protective principles, whether or not the patient has obvious pulmonary injury yet:

1. Set tidal volume at 4 to 8 mL/kg ideal body weight, not actual body weight.
2. Titrate PEEP to support oxygenation without overshooting and dropping preload.
3. Down-titrate FiO2 as soon as saturation targets are met.
4. Reassess ABG within 30 to 60 minutes of any vent change.

Hemodynamics need defined targets. Maintaining adequate MAP after ROSC is crucial because hypotension worsens neurologic outcomes. Use fluids, vasopressors, and inotropes accordingly. A bedside echo early in the resuscitation tells you whether you’re dealing with volume depletion, right heart strain, or global hypokinesis, and that answer changes your drug choice. Don’t reach for norepinephrine reflexively if the echo shows an empty, hyperdynamic heart that needs volume instead.

Diagnostics run in parallel, not in sequence. Get the 12-lead ECG as soon as feasible. Run a focused echo. Draw labs that tell you about the cause (troponin, lactate, electrolytes, toxicology if indicated) and labs that set your prognostic baseline, including an early NSE draw for later comparison. A head-to-pelvis CT gets ordered when the arrest etiology isn’t obvious from history and initial workup — think unwitnessed arrests, trauma, or suspected pulmonary embolism.

• Confirm airway placement and secure ventilator settings within minutes, not hours.
• Draw baseline labs before starting temperature control, since cooling itself shifts some values.
• Document time of ROSC precisely. Every later prognostic timeline anchors to it.

Cardiac Evaluation and Circulatory Support After Arrest

Most patients who arrest from a cardiac cause have some degree of myocardial stunning afterward, and it can look alarming on an early echo without meaning the patient is doomed. This dysfunction, often called post-arrest myocardial stunning, typically improves over 24 to 72 hours with adequate perfusion support. That’s why the AHA/NCS scientific statement is clear: a bad ejection fraction on day one doesn’t predict a bad neurologic outcome, and it shouldn’t slow down aggressive cardiac support.

Serial echocardiography is your main tool for tracking this. A single echo tells you where the heart is right now; repeat studies over the following days tell you whether stunning is resolving or whether you’re dealing with a more permanent structural problem. That trend should guide inotrope titration and fluid strategy far more than any single snapshot.

Coronary angiography decisions follow a fairly clean rule. Emergent angiography is indicated when the post-ROSC ECG shows persistent ST-elevation. Angiography for patients without ST-elevation is selective, reserved for those with ongoing signs of ischemia, hemodynamic instability, or a clinical picture strongly suggesting a coronary cause even without the classic ECG pattern.

• STEMI on the post-ROSC ECG means emergent cath lab activation, full stop.
• Non-STEMI patients get angiography when there’s ongoing ischemia or cardiogenic shock, not automatically.
• Cardiogenic shock unresponsive to fluids and vasopressors is your cue to loop in the intensivist about escalation.
• Refractory shock despite optimized pressors and inotropes is when temporary mechanical circulatory support (intra-aortic balloon pump, Impella, or ECMO) enters the conversation.

If your unit doesn’t have MCS capability, this is where transfer discussions start early rather than after the patient has already crashed twice. Nursing implications for MCS patients are substantial: continuous hemodynamic monitoring, limb perfusion checks distal to arterial cannulation sites, and close coordination with a team experienced in device management. A CCRN candidate should know that MCS is a bridge, not a definitive therapy, and that the decision to escalate usually involves a structured team discussion rather than a single provider’s call.

Pro Tip: When an exam question describes a low ejection fraction on hour-one echo paired with an otherwise stable exam, don’t pick “poor prognosis” as your answer. Myocardial stunning resolves. Pick the answer that keeps supporting the heart.

Ventilator Strategy and Preventing ARDS After ROSC

Lung-protective ventilation isn’t just a pulmonary-topic checkbox. It’s directly tied to neurologic outcome, because a patient who develops ARDS spends more time hypoxic, more time sedated, and more time with unreliable neuro exams.

Your target tidal volume stays at 4 to 8 mL/kg ideal body weight, calculated from height and sex, never from the number on the chart. PEEP gets titrated to maintain oxygenation while watching for the trade-off against venous return and intracranial pressure in patients with a neuro component to their arrest. FiO2 comes down as soon as safely possible; hyperoxia isn’t a safety margin, it’s a second insult layered on top of the ischemia-reperfusion injury the brain and heart already sustained.

ARDS risk after cardiac arrest comes from a combination of aspiration during the arrest, reperfusion-driven inflammation, and sometimes volume overload from aggressive resuscitation. Watch these markers daily:

• Oxygenation index or P/F ratio trending down signals worsening lung injury before it’s obvious on a chest film.
• Rising plateau pressures at a fixed tidal volume tell you compliance is dropping.
• Increasing FiO2 requirement despite unchanged PEEP is an early warning sign, not something to wait out.

Practical prevention matters as much as the numbers. Keep the head of bed elevated to reduce aspiration and ventilator-associated pneumonia risk, suction per protocol rather than on a fixed schedule, and reassess sedation daily so you’re not masking a worsening respiratory status behind a deep sedation target. Escalate to the intensivist when oxygenation indices worsen despite standard PEEP and FiO2 adjustments, rather than waiting for a dramatic desaturation event to force the conversation.

Targeted Temperature Management and Shivering Control

Temperature control after cardiac arrest isn’t about picking one magic number. The current guideline gives you a range: maintain temperature between 32°C and 37.5°C in patients who remain unresponsive after ROSC, and it’s reasonable to sustain that control for at least 36 hours, with active fever avoidance extending out to 36 to 72 hours post-arrest. This is one of the most commonly tested numbers on the CCRN, and candidates lose points assuming a single fixed target still applies.

Device choice comes down to surface cooling pads versus endovascular catheters. Surface devices are faster to initiate and don’t require an invasive line, but they can be less precise and more prone to skin breakdown with prolonged use. Endovascular catheters give tighter temperature control and steadier maintenance but require central line placement and carry that line’s associated risks. Whichever device your unit uses, the nursing priority is the same: prevent overshoot below target and prevent rapid, unsupervised rewarming, both of which can trigger rebound cerebral edema and electrolyte shifts.

Shivering is where the real bedside skill shows up, since uncontrolled shivering raises metabolic demand and intracranial pressure exactly when you’re trying to protect the brain. Work through it in steps:

1. Nonpharmacologic first — counter-warming the hands, feet, and face often blunts the shivering reflex without any medication.
2. Acetaminophen and buspirone as low-sedation adjuncts before reaching for heavier agents.
3. Opioids or dexmedetomidine for escalating shivering that isn’t responding to the first two steps.
4. Neuromuscular blockade with continued sedation as the last resort, reserved for refractory shivering that’s driving temperature or ICP instability.

Pro Tip: An exam stem describing visible shivering plus a rising ICP trend is testing whether you know shivering is a metabolic stressor, not just an uncomfortable side effect. Treat it early, in steps, not after it’s already spiked the pressure.

Neuro Monitoring: EEG, Seizures, and Reading Myoclonus Correctly

Continuous EEG monitoring is the gold standard for comatose patients after ROSC, and it should start as early as feasible and run through the first 72 to 120 hours when resources allow. If continuous monitoring isn’t available on your unit, daily intermittent EEGs are an accepted alternative, though you lose the ability to catch a seizure the moment it starts. The goal is catching malignant patterns, nonconvulsive seizures, and status epilepticus before they add a second layer of neuronal injury on top of the arrest itself.

Not every abnormal EEG pattern means the same thing, and management of some patterns remains genuinely uncertain even among experts. That uncertainty is exactly why the AHA/NCS statement pushes for an aggressive, goal-directed seizure control strategy rather than a wait-and-see approach when neurologic recovery is still the aim.

First-line antiseizure medications you should know cold:

• Levetiracetam — commonly first-line for clinical or electrographic seizures, minimal hemodynamic impact.
• Valproic acid — an alternative first-line agent, useful when levetiracetam alone isn’t controlling seizure activity.
• Clonazepam and other sedating agents — used cautiously, since they can flatten the patient’s exam and make you think you’re seeing a worse neurologic picture than actually exists.

Myoclonus deserves special attention because it’s one of the most misinterpreted findings in post-arrest care. Status myoclonus — generalized myoclonus lasting 30 minutes or longer within 48 hours of ROSC — is highly specific for a poor outcome. But isolated or sporadic myoclonus within that same window is a different animal entirely and is not a reliable standalone predictor of anything. Some patients with brief, isolated myoclonic jerks go on to meaningful recovery. The exam wants you to know the difference, and it wants you to know that neither finding, by itself, replaces a full multimodal assessment.

Multimodal Neuroprognostication: When to Trust the Data

Timing is everything in neuroprognostication, and the single biggest exam trap is calling an outcome too early. Guidelines direct clinicians to wait for an appropriate window, generally past the 72 hour mark, and to clear confounders first: residual sedation, therapeutic hypothermia effects, neuromuscular blockade, and metabolic derangements can all mimic a worse neurologic exam than the patient actually has.

No single test stands alone. The AHA/NCS scientific statement is explicit that early pathological EEG findings or early myoclonus don’t automatically mean a poor outcome, and functional recovery is still possible in patients managed aggressively rather than written off. That’s the philosophy behind combining tools rather than leaning on one.

Notice what’s missing from that table: a column that says “any single result equals withdrawal decision.” That absence is deliberate. Biomarkers like NSE and NfL strengthen a prognostic picture when they align with exam findings, EEG, and imaging, but a rising number in isolation, especially before 72 hours, isn’t grounds for a care-limiting conversation.

Multisystem Complications You Have To Watch

Cardiac arrest triggers a whole-body inflammatory response that behaves a lot like sepsis, even without an infection driving it. Clinicians sometimes call this post-arrest syndrome, and it shows up as vasoplegia, capillary leak, and a systemic inflammatory phenotype that puts every organ system at risk in the days following resuscitation.

Watch for these complications stacking on top of the primary neurologic and cardiac concerns:

• Distributive or cardiogenic shock requiring ongoing vasopressor titration beyond the first few hours.
• Acute kidney injury from the ischemic insult during the arrest itself, sometimes progressing to a need for continuous renal replacement therapy (CRRT).
• Ventilator-associated pneumonia and other infections, harder to detect early because the systemic inflammatory response already mimics sepsis physiology.
• ARDS, layered onto lung injury that may have started with aspiration during the arrest.

Glucose control matters here too. Keep blood glucose above 70 mg/dL and below 180 mg/dL; both hypoglycemia and sustained hyperglycemia worsen neurologic recovery. The guideline evidence for routine prophylactic antibiotics or steroids in post-arrest patients remains uncertain, meaning these aren’t blanket orders. They’re decisions made on a case-by-case basis tied to actual clinical signs of infection or adrenal insufficiency, not reflexive protocol additions.

DVT prophylaxis starts early unless there’s a specific contraindication, and CRRT gets considered for volume overload, refractory acidosis, or electrolyte derangements that aren’t responding to medical management. Start thinking about rehab and discharge planning early too. Waiting until day ten to loop in physical therapy or case management delays a transition that should be planned from day one.

Mapping Post-Arrest Content to Your CCRN Study Plan

Post-arrest care shows up across the CCRN blueprint under cardiovascular, pulmonary, and neurologic categories, which means one clinical scenario often tests three different body systems in a single question. That’s exactly why the AACN Synergy Model frames this content around clinical judgment: rapid assessment paired with targeted intervention, not memorized facts in isolation.

Here’s how to map your study time to the clinical domains that matter most:

• Hemodynamics and MAP targets — expect scenario questions asking you to choose between fluids, vasopressors, or further workup based on a described clinical picture. Review the high-yield shock and vasopressor guides if this domain feels shaky.
• Temperature management — questions often test the range and duration numbers directly, or embed them in a shivering/ICP scenario. The targeted temperature management review breaks down device mechanics and the stepwise shivering protocol.
• Neuro monitoring and prognostication — this is where timing traps live. Work through the neurology study guide to drill EEG interpretation and myoclonus distinctions.
• PCI indications — practice distinguishing emergent-angiography stems from selective-angiography stems; this is a frequent source of near-miss answers.

Use spaced repetition rather than cramming this content in one sitting, since post-arrest scenarios blend across systems and benefit from returning to them over several study sessions. Run timed practice question sets specifically tagged to cardiac arrest and neuro-critical care, and read every rationale, even for the questions you get right. The wrong-answer reasoning is often where the real teaching happens.

Glucose and Electrolyte Management in the Post-Arrest Window

Metabolic stability after ROSC directly affects neurologic recovery, which is why glucose and electrolyte checks belong on the same priority tier as your hemodynamic monitoring, not an afterthought ordered once per shift.

Keep glucose within a target range that avoids hypoglycemia and hyperglycemia, as both extremes increase risk for worsened neurologic outcomes. Check glucose frequently in the first 24 hours, especially if the patient is on an insulin drip or has unstable renal function affecting clearance.

Electrolyte shifts are common and often iatrogenic, tied directly to your temperature control strategy. Cooling drives potassium intracellularly, so expect hypokalemia during active cooling and a rebound rise during rewarming if you don’t anticipate it. Magnesium and phosphate often trend downward for the same reason. Check a basic metabolic panel with magnesium and phosphate at regular intervals through the cooling and rewarming phases, not just once at initiation.

Watch calcium too, particularly if the patient received large-volume resuscitation or blood products during the arrest itself, since citrate in stored blood binds ionized calcium. A low ionized calcium can worsen cardiac contractility right when you’re trying to support a stunned myocardium.

The practical takeaway: build your electrolyte monitoring schedule around your temperature control timeline, not a generic once-a-shift default, and replace deficits proactively rather than reactively chasing a crashing potassium at 3 a.m.

Preventing Infection During the Post-Arrest ICU Stay

Post-arrest patients are ventilated, often sedated, frequently lined and catheterized, and immunologically stressed by the systemic inflammatory response the arrest itself triggered. That combination makes ventilator-associated pneumonia and central line infections a real and preventable risk, not a rare complication.

Standard VAP-prevention bundles apply here just as they do to any ventilated ICU patient, but they matter more because a superimposed infection muddies both your hemodynamic picture and your neurologic exam, exactly when you’re trying to read both clearly.

• Head of bed elevated to 30 to 45 degrees unless a specific contraindication exists.
• Daily sedation interruption and spontaneous breathing trials once the patient is hemodynamically stable enough, so you’re not leaving someone sedated and ventilated longer than clinically necessary.
• Oral care protocol performed consistently, not skipped because the patient is “too unstable” for it.
• Line and catheter review daily — pull anything that isn’t still clinically justified.
• Subglottic suctioning where your unit’s equipment supports it, to reduce microaspiration around the cuff.

Distinguishing infection from the baseline post-arrest inflammatory phenotype is genuinely hard, since both can produce fever, leukocytosis, and hemodynamic instability without a clear source. This is part of why routine prophylactic antibiotics aren’t standard guideline practice. They’re reserved for patients with a specific, identified source or strong clinical suspicion, and reflexively covering everyone risks resistance and complications without proven benefit. Trend your inflammatory markers and cultures deliberately rather than treating every fever as infection until proven otherwise.

Rehab Planning and Coordinating the Multidisciplinary Team

Rehabilitation planning starts long before your patient is ready to leave the ICU, and waiting until they’re extubated and awake to think about it costs valuable time in their recovery window.

Early mobility, even passive range of motion while sedated, reduces ICU-acquired weakness and helps preserve function for whatever recovery trajectory the patient is heading toward. Physical therapy and occupational therapy consults should go in early, not as a discharge afterthought, so the rehab team has a baseline understanding of the patient before the acute picture resolves.

Coordination across specialties is where post-arrest care either flows smoothly or falls apart. A single patient may need cardiology for their revascularization plan, neurology or neurocritical care for prognostication, nephrology if CRRT is running, and palliative care or ethics if the family is facing a difficult prognosis conversation. As the bedside nurse, you’re often the person holding the thread between all of them, tracking what each team communicated and flagging when messages to the family don’t match across specialties.

Case management and social work involvement early helps set realistic expectations about the next level of care, whether that’s a long-term acute care facility, inpatient rehab, or a different discharge path entirely depending on how the neurologic picture resolves. Building this coordination into your daily routine, not just at the point of transfer, keeps the whole team, and the family, oriented to the same plan.

Ethics and Family Communication in the First Days After Arrest

Families of post-arrest patients are living through one of the worst moments of their lives, and the information they receive in the first 72 hours shapes decisions that can’t be undone. This is where your role extends past clinical tasks into active advocacy for accurate, honestly hedged communication.

The consistent message from the guidelines is patience: avoid framing any single early finding, an absent pupillary reflex, a pathological EEG pattern, or an elevated biomarker, as a definitive prognosis before the appropriate window has passed and confounders are cleared. Families often want a clear answer immediately, and the honest, supportive answer in the first day or two is usually “we’re still gathering information, and here’s what we’re watching for.”

Structured family meetings, ideally involving the physician, bedside nurse, and social work or chaplaincy when appropriate, give families a consistent narrative instead of fragmented updates from different team members. Document what was communicated and by whom, since prognosis conversations that happen informally in a hallway often get remembered differently by different family members later.

Goals-of-care conversations should be revisited as new data comes in, not treated as a single conversation that locks in a direction on day one. When the multimodal picture does eventually point toward a poor prognosis, that conversation carries more weight, and more comfort for the family, when it’s built on days of consistent, transparent updates rather than a sudden pivot after 72 hours of silence.

Why Clinical Judgment Beats the Checklist Here

Post-arrest care is one of the few CCRN domains where the guidelines explicitly tell you to resist certainty. I think that’s the part candidates underestimate most. It’s tempting to treat an early bad EEG or a climbing NSE value as the answer, because a clear answer feels safer than sitting with ambiguity for 72 hours.

But the evidence doesn’t support that shortcut, and neither does good nursing. Your job in those first days is to keep building the multimodal picture, exam, EEG, imaging, biomarkers, and to speak up in rounds when a single finding is being weighted too heavily. That’s the clinical judgment the Synergy Model is actually testing, on the exam and at the bedside. Bring a structured checklist to the first 72 hours, use it to keep your team aligned, and don’t let one data point make a decision that belongs to the whole picture.

— Zero

Study Post-Arrest Care With Zero Deficit™ CCRN Prep

Post-arrest scenarios are dense, blending cardiovascular, pulmonary, and neuro content into single exam items, and that’s exactly the kind of cross-system question that trips up candidates who studied each body system in isolation. The question bank is built around the reality of cross-system post-arrest scenarios instead of neat, single-topic silos.

The platform offers practice questions with detailed rationales covering hemodynamics, temperature control, and neuro monitoring content, plus AI-powered review tools that adjust to where learners struggle. The spaced repetition system resurfaces post-arrest concepts over time, which matters for content this cross-disciplinary. If you want to test where you stand on this exact topic, start with the respiratory and cardiac practice questions tied to post-arrest scenarios, or explore Premium Monthly, Yearly Access, and Lifetime Mastery plans to unlock the full question bank and topic guides. Pick the plan that matches your timeline and get studying today.

This article is general information, not a substitute for advice from a qualified doctor. Consult a qualified healthcare professional about your own circumstances before acting on anything here.

Sources

• Critical Care Management of Patients After Cardiac Arrest: A Scientific Statement from the American Heart Association and Neurocritical Care Society
• Critical Care Management of Patients After Cardiac Arrest: A Scientific Statement From the American Heart Association and Neurocritical Care Society (DOI entry)

FAQ

What Is Post-Arrest Care?

Post-arrest care is the coordinated management of a patient after return of spontaneous circulation, focused on preventing secondary injury through airway and oxygenation control, hemodynamic support, temperature management, and early neurologic monitoring. It runs in parallel with identifying and treating the cause of the arrest itself.

What Are the Current Post-CPR Care Guidelines?

The 2025 AHA Part 11 guideline recommends temperature control between 32°C and 37.5°C, maintained for at least 36 hours with fever avoidance extending to 36 to 72 hours after ROSC. It also calls for maintaining MAP at a level considered adequate for organ perfusion and multimodal neuroprognostication rather than reliance on any single test.

What Are Two Key Interventions for Post-Cardiac Arrest Care?

Hemodynamic support to maintain an adequate MAP and protocolized temperature control are two of the most consistently emphasized interventions. Both directly influence neurologic recovery and are treated as priority, guideline-backed actions rather than optional add-ons.

What Are the Steps in the ACLS Post-Cardiac Arrest Care Algorithm?

The algorithm starts with optimizing oxygenation and ventilation, then treating hypotension to maintain adequate MAP, followed by a 12-lead ECG to evaluate for a cardiac cause. From there, care branches into temperature control for comatose patients, continuous EEG monitoring, glucose management, and further diagnostic workup to identify the underlying cause of arrest.

When Should Neuroprognostication Happen After Cardiac Arrest?

Formal neuroprognostication should wait until confounders like sedation and hypothermia effects have cleared, generally past the 72 hour mark, and should combine clinical exam, EEG, imaging, and biomarkers such as NSE and NfL rather than relying on one isolated finding. Acting on a single early sign risks withdrawing care from a patient who could still recover.

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