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Spiked Helmet Sign (SHS)
Key Points The Spiked Helmet Sign (SHS) is a rare but important ECG pattern characterized by pseudo ST-segment elevation that starts before the onset of the QRS complex. SHS is…
LVH vs. STEMI
Key Points LVH Mimicry: Left ventricular hypertrophy (LVH) can mimic anterior coronary occlusion and is a common cause of “false-positive” cath lab activations. Diagnostic Challenge: LVH with strain pattern can…
Early Repolarization vs. STEMI
Key Points Differentiation Challenge: Early repolarization (ER) is a benign ECG pattern often seen in healthy young individuals, characterized by ST segment elevation that can mimic STEMI and acute pericarditis….
Upright T waves in V1
Key Point Normal T Wave in V1: The normal ECG typically shows a flat or inverted T-wave in lead V1. Upright T-Wave Abnormality: An upright T-wave in V1 (TV1) should…
WPW with Antidromic SVT
Key Points WPW Syndrome: Wolff-Parkinson-White (WPW) syndrome is a condition characterized by ventricular pre-excitation due to a congenital accessory pathway in patients with symptomatic arrhythmias. ECG Recognition: The classic WPW…
WPW with Orthodromic SVT
Key Points WPW Syndrome: Wolff-Parkinson-White (WPW) syndrome is a condition where ventricular pre-excitation occurs due to a congenital accessory pathway in patients with symptomatic arrhythmias. ECG Recognition: The WPW ECG…
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