Acute Medical Presentations — Flashcards

Flashcard 161: Diagnosis of an ECG showing progressive PR interval prolongation followed by a dropped QRS complex = _____

Answer: 2nd degree heart block Mobitz type I (Wenckebach phenomenon)

Flashcard 162: If bradyarrhythmias present with life-threatening features then manage with _____ to a maximum of 3mg

Answer: IV Atropine 500mcg

Flashcard 163: Bradyarrhythmias < _____ beats per minute

Answer: 60

Flashcard 164: Regular, broad-complex QRS tachyarrhythmia indicates possible _____

Answer: ventricular tachycardia

Flashcard 165: Treat stable ventricular tachycardia with _____ over 10-60 minutes infusion.

Answer: IV amiodarone 300mg

Extra: ALS Guidelines: Stable VT -> Amiodarone 300 mg IV over 10–60 mins, followed by an infusion of 900 mg over 24 hours. Alternative: Procainamide or Sotalol.

Flashcard 166: Tachyarrhythmias > _____ beats per minute

Answer: 100

Flashcard 167: Spot diagnosis = _____

Answer: Ventricular tachycardia

Flashcard 168: What are the life threatening features in tachyarrhythmia resuscitation? _____

Answer: 1. Shock (<90mmHg systole, pallor, sweating, cold) 2. Syncope 3. Myocardial ischaemia (chest pain, ↑ troponins) 4. Severe heart failure (severe pulmonary oedema, cyanosis)

Flashcard 169: Regular, narrow-complex QRS tachyarrhythmia indicates possible _____

Answer: SVT

Flashcard 170: If tachyarrhythmias present with life-threatening features then manage with _____ up to 3 attempts

Answer: synchronised DC cardioversion