Bedside entry point
Clinical Problems
Start from what you observe at the bedside. Expand a system, choose the clinical problem, then open its protocol.
Respiratory10 problems
Bedside triage of acute desaturation: signal verification, immediate danger screening (DOPE / tension pneumothorax), oxygen escalation ladder, and mechanism-based differential.
Triaging rising PaCO2: distinguishing acute uncompensated acidemia from chronic compensation, identifying central vs pump vs dead-space failure, and titrating noninvasive ventilation.
Algorithmic troubleshooting of acute patient-ventilator collapse: the DOPE framework, peak vs plateau pressure differentiation, auto-PEEP evaluation, and manual bagging separation.
Bedside management of the gasping, tachypneic patient: work-of-breathing assessment, accessory muscle use, P-SILI prevention, and timely intubation vs noninvasive support.
Airway preservation and bleeding localization: non-massive vs massive hemoptysis (> 100–200 mL/hr), lateral decubitus positioning, isolation of the bleeding lung, and endovascular/bronchoscopic intervention.
Separate exacerbation from infection, edema, PE and pneumothorax; choose support according to recruitability and reversibility.
Airway-first management of clinically significant hemoptysis with localization, bronchoscopy and bronchial artery embolization
Diagnosis and source control of complicated parapneumonic effusion and empyema with drainage, tPA/DNase and surgical escalation
Safe diagnostic and therapeutic bronchoscopy in hypoxemic, mechanically ventilated and bleeding ICU patients
Oxygenation-first rescue after difficult or failed intubation: optimized attempts, supraglottic rescue, deliberate wake-up decisions, and immediate front-of-neck access for CICO.
Cardiovascular & Hemodynamics10 problems
Rapid bedside hemodynamic categorization: confirming MAP < 65 mmHg, assessing peripheral perfusion, POCUS cardiac/IVC profiling, and differentiating hypovolemic, distributive, cardiogenic, and obstructive etiologies.
Advanced multimodal hemodynamic rescue: second-line vasopressors (vasopressin, angiotensin II), inotropic augmentation, stress-dose steroids, metabolic correction, and mechanical circulatory support evaluation.
Algorithmic triage of acute heart rates > 100–150 bpm: stability screen (immediate cardioversion if unstable), narrow vs wide QRS differentiation, Brugada VT rules, and sinus tachycardia etiology search.
Acute bradyarrhythmia management: identifying hemodynamic instability, distinguishing sinus node arrest vs high-grade AV block, medical chronotropic support (atropine, epinephrine), and emergent pacing.
Differentiating hypertensive emergency (acute target organ damage) from asymptomatic hypertension: tailored pressure targets for SCAPE, aortic dissection, hemorrhagic stroke, and ischemic stroke.
Emergency evaluation of sudden hemodynamic collapse and pulmonary edema with a new or changing cardiac murmur.
Recognize pressure-mediated multiorgan failure and move from measurement to decompression.
Airway, bronchospastic or circulatory collapse not responding to initial anaphylaxis therapy.
Recognize cardiac arrest or peri-arrest physiology, deliver high-quality ALS, treat reversible causes, then stabilize oxygenation, ventilation, perfusion and temperature after ROSC.
Shock or peri-arrest physiology with suspected pulmonary embolism or acute RV failure requiring RV-protective resuscitation and immediate reperfusion planning.
Neurology7 problems
Systematic neurologic evaluation: immediate metabolic/toxic screening (glucose, hypoxia, hypercapnia), nonconvulsive status epilepticus exclusion, structural CT triage, and CAM-ICU delirium management.
Rapid code-stroke protocol in critical illness: emergent non-contrast CT and CTA, distinguishing acute ischemic stroke (LVO candidate) from intracranial hemorrhage, and managing post-procedural neurological loss.
Time-critical stepped seizure protocol: immediate airway/oxygen/glucose check, first-line IV benzodiazepines at 5 minutes, second-line non-sedating AEDs at 10–20 minutes, and general anesthetic induction at 30 minutes for refractory status.
Bedside evaluation of profound unresponsiveness: FOUR score and GCS, pupillary/corneal/caloric reflex examination, herniation syndrome recognition, confounder clearance, and Death by Neurologic Criteria (BD/DNC) evaluation.
Bedside assessment and airway decision-making in rapidly ascending or fatiguable weakness risking ventilatory pump failure.
Use trajectory, bulbar function and respiratory mechanics to intubate before arrest and choose disease-specific therapy.
Rapid neurologic deterioration with suspected intracranial hypertension requiring immediate physiologic stabilization, hyperosmolar rescue and urgent definitive neuroimaging/neurosurgical treatment.
Renal6 problems
Algorithmic triage of acute oliguria (< 0.5 mL/kg/hr): urinary catheter patency check, volume responsiveness vs congestive nephropathy (VExUS Doppler), nephrotoxic drug review, and the furosemide stress test.
Physiologic acid-base evaluation: Anion Gap and Delta-Delta calculations, Winter's formula for respiratory compensation, distinguishing ketoacidosis/lactic acidosis/toxic alcohols from non-gap acidosis, and bicarbonate therapy indications.
Bedside evaluation of severe alkalemia (pH > 7.55, HCO3 > 35 mEq/L): assessing chloride responsiveness (urine chloride), diuretic-induced contraction alkalosis, nasogastric suction loss, hypokalemia, and acetazolamide/CRRT rescue.
Treat severe neurologic symptoms with controlled 3% saline boluses, then prevent overcorrection by separating the immediate symptom target from the 24-hour safety ceiling.
Bedside evaluation of severe hypernatremia: free-water deficit, ongoing losses, central vs nephrogenic diabetes insipidus, volume resuscitation, and individualized monitored sodium correction.
Time-critical hyperkalemia protocol (K+ > 6.5 mEq/L or ECG changes): immediate membrane stabilization with IV Calcium, intracellular shifting with Insulin/Dextrose and beta-agonists, and definitive potassium elimination.
Endocrine & Metabolic7 problems
Profound dehydration and hyperosmolality with severe hyperglycemia: separate isolated HHS from mixed DKA/HHS, restore circulation, sequence potassium and insulin correctly, and avoid rapid osmotic shifts.
Refractory hypotension with adrenal-risk history, electrolyte disturbance or hypoglycemia.
Clinical thyroid storm: recognize decompensated thyrotoxicosis, stabilize failing organs, block hormone effect and synthesis/secretion in the correct sequence, and treat the precipitant.
Severe hypothyroid decompensation with altered consciousness, hypoventilation, hypothermia, bradycardia, hyponatremia or shock requiring immediate ICU therapy before confirmatory testing is complete.
High urine output with hypernatremia: distinguish AVP deficiency from osmotic diuresis, restore circulation first when depleted, replace free water, and use desmopressin with close sodium/urine monitoring.
Ketotic metabolic decompensation requiring fluid resuscitation, potassium-first insulin sequencing and continued insulin until ketoacidosis resolves—even when glucose is not markedly elevated.
Neuroglycopenia or recurrent low glucose requiring immediate glucose restoration, recurrence prevention and rapid investigation of drug, organ-failure, endocrine and nutritional causes.
Infectious Diseases8 problems
Systematic diagnostic workup of new ICU fever (T ≥ 38.3°C): line and device screening, pulmonary/abdominal/urinary source triage, distinguishing infectious vs non-infectious fever, and rational blood culturing.
SSC 2026 sepsis recognition and resuscitation: rapid infection-likelihood assessment, timely antimicrobials, individualized initial crystalloids, early norepinephrine, serial perfusion reassessment, and source control.
Evaluating unresolved fever after 48–72 hours of antimicrobial therapy: undrained closed-space infection, resistant/fungal pathogens, catheter infections, C. difficile, drug fever, and ICU thrombosis.
Bedside diagnostic framing and emergency management of acute fever, sepsis, respiratory failure, or oncologic emergency in an immunocompromised host.
Candida in blood is clinically significant: start appropriate antifungal therapy, document clearance, address intravascular/abdominal sources and determine duration from bloodstream clearance.
Fulminant CDI with shock, ileus or megacolon requires high-dose enteral vancomycin, IV metronidazole, ileus-directed drug delivery and early surgical rescue planning.
Fever during neutropenia with evolving shock, respiratory failure or occult infection.
A progressive bedside problem for apparent pneumonia with persistent hypoxemia, fever or shock despite initial therapy.
GI & Hepatic6 problems
Recognition and organ-support of decompensated cirrhosis and acute-on-chronic liver failure, including bleeding, infection, encephalopathy and transplant triage
Exclude reversible/structural causes, treat precipitating infection or volume loss, then use albumin plus an appropriate vasoconstrictor while monitoring respiratory safety and transplant candidacy.
Recognition, antibiotics, resuscitation and urgent biliary source control for severe cholangitis and septic shock
ICU approach to perforation, abscess, postoperative leak, ischemic bowel and complicated intra-abdominal infection
Acute hepatic injury with impaired synthetic function and encephalopathy requiring immediate etiologic treatment, cerebral-edema prevention and early transplant-center involvement.
Airway-aware resuscitation, variceal vs nonvariceal phenotype, urgent endoscopic hemostasis, and escalation to IR/TIPS/surgery when bleeding remains uncontrolled.
Hematology & Oncology6 problems
Bedside triage of acute blood loss: active hemorrhage vs occult bleeding vs hemodilution, context-specific RBC thresholds, protocolized massive-hemorrhage resuscitation, targeted component therapy, and anticoagulant reversal.
Differential diagnosis of acute platelet drops and clotting derangements: 4Ts-based HIT assessment, dynamic disease-specific DIC scoring, recognition of thrombotic microangiopathy/TTP, and targeted replacement or anticoagulant therapy.
Recognize a thrombotic microangiopathy, estimate the probability of immune TTP, obtain ADAMTS13 before plasma therapy when feasible, and start time-critical TTP treatment without waiting for the result when suspicion is high.
Stabilize hemorrhage while distinguishing immune destruction, consumption and microangiopathy.
Hyperkalemia, hyperphosphatemia, hypocalcemia and AKI around cancer therapy.
Sepsis-like multiorgan failure with fever, cytopenias, hepatitis/coagulopathy and hyperinflammation requiring structured HLH assessment, trigger search and early hematology-directed treatment.
Toxicology & Drug Syndromes4 problems
Hyperadrenergic delirium, hallucinations or seizures after alcohol/benzodiazepine reduction.
Differentiate serotonin toxicity from NMS by exposure, onset and neuromuscular findings, then stop the culprit and aggressively treat hyperthermia, agitation and organ complications.
Seizures, QRS widening, ventricular dysrhythmia or shock after sodium-channel blocker exposure.
A complication-first bedside problem for an ICU patient exposed to antipsychotics who develops worsening agitation, rigidity, hyperthermia or electrical instability.
Obstetric Critical Care1 problems
Maternal-first stabilization with rapid differentiation of hypertensive, hemorrhagic, thromboembolic, septic, hepatic and cardiac obstetric emergencies.
Procedures & Devices3 problems
Acute hypoxemia, hypotension, bleeding, arrhythmia, limb ischemia or line malfunction after vascular access.
New hypoxemia, air leak, bleeding or poor drainage in a patient with a chest tube.
Persistent ventilator dependence requiring a cause-based liberation and airway plan.