Dr. Smith's ECG Blog

OCTOBER 23, 2023

2017 Oct 1;177(10):1520-1522. In a patient with pericarditis — OR — a large heart on chest X-ray — OR — simply unexplained dyspnea ( as in the November 28, 2022 post) — recognition of electrical alternans should suggest the possibility of a significant pericardial effusion that may be associated with tamponade. J Am Coll Cardiol.

Tachycardia 128

Tachycardia Cardiac Arrest ICU Blood Pressure 128

Dr. Smith's ECG Blog

NOVEMBER 28, 2022

The second most common cause of medical cardiac tamponade is acute idiopathic pericarditis. Less common etiologies include uremia, bacterial or tubercular pericarditis, chronic idiopathic pericarditis, hemorrhage, and other causes such as autoimmune diseases, radiation, myxedema, etc. 2017 Nov;35(4):525-537.

Pericarditis 40

Pericarditis Tachycardia Ultrasound Blood Pressure 40

Dr. Smith's ECG Blog

JANUARY 21, 2023

J waves can also be induced by Occlusion MI (5), STEMI mimics including takotsubo and myocarditis complicated by ventricular arrhythmias (6, 7), and subarachnoid hemorrhage with VF (8). CMAJ 2017 Vassallo SU, Delaney KA, Hoffman RS, et al. Indian Pacing Electrophysiol J 2004 Antzelevitch C, Yan G. J wave syndromes.

STEMI 52

STEMI Bradycardia Arrhythmia Cardiac Arrest 52