第114回医師国家試験 A31

第114回国家試験 A31

A 26-year-old woman presented to the emergency room with palpitations andshortness of breath that started suddenly while she was eating breakfast.Although the health-screening examination performed three weeks ago showeddelta waves in her ECG, echocardiography taken at a nearby hospital showed noabnormal findings. At presentation, she was slightly hypotensive with a bloodpressure of 96/68 mmHg. Her ECG on admission showed a narrow QRS-complextachycardia at a rate of 180/min. Neither ST elevation nor T wave abnormalitywas present. What is the most probable diagnosis of the arrhythmia?

• a. Sinus tachycardia
• b. Sick sinus syndrome
• c. Ventricular tachycardia
• d. Supraventricular tachycardia
• e. Complete atrioventricular block

正解！

不正解　答え 4