Common cardiac presentations, ECG recognition, and management decisions tested on the PANCE.
40 cards · basic cards · AI-written, checked twice. Edit anything.
- What ECG finding defines a STEMI?
- ST-segment elevation in two or more contiguous leads
- What is the door-to-balloon time goal for STEMI treated with PCI?
- 90 minutes
- In suspected acute coronary syndrome, ____ should be given immediately unless contraindicated.
- aspirin
- What distinguishes NSTEMI from unstable angina?
- Elevated cardiac troponin, indicating myocardial necrosis
- How soon after myocardial injury does troponin typically become detectable?
- About 3 to 6 hours
- What is the hallmark ECG finding of atrial fibrillation?
- Irregularly irregular rhythm with no discrete P waves
- What class of drugs is first-line for rate control in atrial fibrillation?
- Beta blockers or non-dihydropyridine calcium channel blockers
- What scoring system estimates stroke risk in atrial fibrillation to guide anticoagulation?
- CHA2DS2-VASc score
- What ECG pattern characterizes ventricular tachycardia?
- A wide QRS complex tachycardia with a regular rhythm
- What is the immediate treatment for pulseless ventricular fibrillation?
- Defibrillation with an unsynchronized shock
- Torsades de pointes is a polymorphic ventricular tachycardia associated with a prolonged ____.
- QT interval
- What is the first-line treatment for torsades de pointes?
- Intravenous magnesium sulfate
- How is first-degree AV block defined on ECG?
- PR interval greater than 200 milliseconds, with every P wave followed by a QRS
- What ECG pattern is seen in Mobitz type I (Wenckebach) second-degree AV block?
- Progressive PR interval lengthening until a QRS is dropped
- How does Mobitz type II second-degree AV block appear on ECG?
- Constant PR interval with intermittently dropped QRS complexes