Cardiology Quiz #29: Hereditary Arrhythmia Syndromes

1. A 17-year-old male collapses while playing soccer. He has no significant past medical history but mentions that his father died suddenly at a young age. An ECG reveals a prolonged QT interval. Which of the following is the most likely diagnosis? 

Question 1 of 5

2. A 24-year-old man presents with a history of fainting episodes, especially at night. His ECG shows ST-segment elevation in leads V1-V3. His family history is significant for sudden cardiac death in his brother at a young age. Which of the following is the most likely diagnosis? 

Question 2 of 5

3. A 12-year-old girl with a history of exercise-induced syncope is referred for evaluation. During a stress test, she develops bidirectional ventricular tachycardia. There is no significant family history of cardiac disease. Which of the following is the most likely diagnosis? 

Question 3 of 5

4. A 30-year-old man presents with palpitations and is found to have a delta wave on his ECG along with a short PR interval. He has a history of a sudden, rapid heartbeat that starts and stops abruptly. Which of the following conditions is most consistent with these findings? 

Question 4 of 5

5. A 20-year-old female presents with a syncopal episode during a college track meet. Her brother was recently diagnosed with a hereditary arrhythmia syndrome. An ECG performed shows a normal QT interval, but genetic testing reveals a mutation in the SCN5A gene. Which of the following syndromes is most likely responsible for her condition? 

Question 5 of 5


 

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