Course: Weakness and Syncope After Prolonged Diarrhea
CME Credits: 1.00
Released: 2024-01-02
A patient in their 70s with history of hypertension, chronic kidney failure, and prolonged diarrhea presented for repeated episodes of weakness and syncope that lasted for about a week. Their medications included amlodipine, 5 mg, twice daily; perindopril/indapamide combination, 5 mg/1.25 mg, once a day; amiloride, 5 mg, once a day; metoprolol succinate, 50 mg, once a day; and rosuvastatin, 10 mg, once a day. Previous laboratory results showed a serum creatinine level of 1.8 mg/dL (normal range, 0.49-1.01 mg/dL; to convert to ?mol/L, multiply by 88.4). On admission, the patient’s systolic blood pressure was 123 mm Hg, and their pulse rate was 35 beats per minute. Except for the extreme bradycardia, physical examination results were essentially normal. The admission electrocardiogram (ECG) is shown in Figure, A.
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