Medicine A 50 year old tall thin smoker presents with dyspnoea and palpitations. ECG was done. Diagnosis: A Atrial fibrillation B Multifocal atrial tachycardia C AV nodal re-entrant tachycardia D Monomorphic VT 💡 Explanation A 50 year old tall thin smoker presents with dyspnoea and palpitations. ECG was done. Diagnosis: ✓ Correct Answer: B. Multifocal atrial tachycardia