ECG/arrhythmia pattern — likely diagnosis
For each patient, select the single most likely diagnosis from the list of options. Each option may be used once, more than once, or not at all.
- A. Wolff-Parkinson-White syndrome
- B. Brugada syndrome
- C. Long QT syndrome
- D. Complete heart block
- E. Atrial fibrillation
- F. Ventricular tachycardia
- G. First-degree heart block
- H. Sick sinus syndrome
1. A young man has syncope during a febrile illness; ECG shows coved ST elevation in leads V1-V3.
2. A 70-year-old man has an irregularly irregular pulse with absent P waves on ECG.
3. A patient has a broad complex tachycardia with AV dissociation and occasional fusion beats on ECG.
4. An ECG shows complete dissociation between P waves and QRS complexes, with a regular, slow ventricular escape rhythm.
5. An elderly woman has alternating episodes of bradycardia and tachycardia on ambulatory ECG monitoring, with associated dizzy spells.
6. A teenager has a congenitally prolonged QTc and experiences syncope during swimming.
