Sinus Tachycardia

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Case 22: A 61-Year-Old Man in the Nephrology Clinic

Case 22: A 61-Year-Old Man in the Nephrology Clinic History Diagnosis History This 61-year-old hypertensive man is followed in the nephrology clinic because of severe progressive renal failure: Diagnosis Sinus tachycardia, 104/min Left anterior fascicular block Intermittent (2:1) right bundle branch block (RBBB) Notice that in leads I, II and III the first 80 msec. …

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Case 40: A 50-Year-Old Man in the Cardiac Surgical Ward

Case 40: A 50-Year-Old Man in the Cardiac Surgical Ward History Diagnosis ECG 2 ECG 2 Diagnosis History A 50-year-old man is in the cardiac surgical ward two days after bypass surgery: Diagnosis Sinus tachycardia, 115/min, with complete heart block Junctional escape rhythm, with incomplete right bundle branch block (iRBBB) pattern and nonspecific ST abnormality …

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Case 75: A 25-Year-Old Woman in the ICU

Case 75: A 25-Year-Old Woman in the ICU History Diagnosis History This 25-year-old woman with chronic respiratory failure and hypoventilation secondary to kyphoscoliosis and restrictive lung disease is admitted to the Intensive Care Unit with pulmonary aspergillosis: Diagnosis Sinus tachycardia 110/min Biatrial enlargement Right axis deviation Right ventricular hypertrophy Diffuse T wave abnormality The presence …

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Case 103: A 78-Year-Old Woman in the Endocrinology Clinic

Case 103: A 78-Year-Old Woman in the Endocrinology Clinic History Diagnosis ECG 2 ECG 2 Diagnosis History This 78-year-old woman with a longstanding history of poorly controlled hypertension, type 2 diabetes, and left ventricular dysfunction, presents to the endocrinology clinic for follow-up, and a routine ECG is obtained: Diagnosis  Sinus tachycardia, 105/min with occasional premature …

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Case 22: A 43-Year-Old Man with Muscular Dystrophy

Case 22: A 43-Year-Old Man with Muscular Dystrophy History Diagnosis History A 43-year-old man with Becker muscular dystrophy is in assisted-living state and is ventilation-dependent and on G-tube feeding: Diagnosis Sinus tachycardia, 122/min Tall R waves in V1-V3 Non-specific ST abnormality Comment: The tall R waves in the right precordial leads in muscular dystrophy are …

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