Low Voltage QRS

Case 151: A 79 Year-Old Man in the Emergency Room History Diagnosis History A 79 year-old man presents to the emergency room with increasing fatigue and shortness of breath over the past several weeks.  His ECG done in the ER is shown below: Diagnosis Atrial flutter with 4:1 conduction, Ventricular rate 84/min Low Voltage QRS …

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