Arrest
Results:
Pediatric ECG in Cardiac Arrest
Key Points ECG rhythms in pediatric arrest differ from adults. Pulseless arrest in children is most often asphyxial, but ECG clues can reveal reversible metabolic, toxicologic, or structural causes. Wide…
Torsade de Pointes (TdP)
Key Points Definition: TdP is a specific subtype of polymorphic ventricular tachycardia associated with a prolonged QTc interval. It often presents with a “twisting” pattern on ECG but can be…
Electrical Storm
Key Points: Definition: Electrical storm is defined as three or more episodes of sustained ventricular tachycardia (VT), ventricular fibrillation (VF), or appropriate implantable cardioverter-defibrillator (ICD) shocks within 24 hours. Some…
Pulseless Electrical Activity (PEA) Arrest
Key Points: Definition: Organized electrical activity on ECG without a palpable pulse. PEA is a non-shockable arrest rhythm requiring CPR, epinephrine, and identification of reversible causes. Confirmation: Verify in two…
Asystole (Cardiac Arrest)
Key Points: Definition: Asystole is a non-shockable cardiac arrest rhythm characterized by absence of ventricular electrical activity. Treat with high-quality CPR, epinephrine every 3–5 minutes, and an urgent search for…
Post-Cardiac Arrest ECGs
Key Points: Early post-ROSC ECGs often mislead. Obtain the first ECG immediately after ROSC, but treat it as an early snapshot, not the entire story. Post-arrest physiology, defibrillation, acidosis, and…
R-on-T Phenomenon
Key Points Definition: The R on T phenomenon occurs when an ectopic impulse (often a PVC or cardioversion shock) falls on the T wave of the preceding beat. Mechanism: Interrupting…
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