Dr. Smith's ECG Blog

JANUARY 2, 2025

CT of the chest showed no pulmonary embolism but bibasilar infiltrates. Place temporary pacemaker 3. Because she has cardiomyopathy and ventricular dysrhythmias, the pacer included an Implanted Cardioverter-Defibrillator (ICD) Echo 6 days later after CRT: Normal estimated left ventricular ejection fraction. She was intubated.

Tachycardia 116

Tachycardia Cardiomyopathy Blog Bradycardia 116

Dr. Smith's ECG Blog

JANUARY 5, 2020

MAT has at least 3 distinct P-wave morphologies, but there is no single dominant pacemaker (i.e., Atrial dysrhythmias, and atrial fi brillation in particular, are frequently misdiagnosed by computer algorithms and then by the physician who overreads them. Many arrhythmias will prove uninterpretable — IF only 1 or a few leads are used.

Atrial Fibrillation 52

Atrial Fibrillation Tachycardia Arrhythmia Pulmonary 52

Dr. Smith's ECG Blog

APRIL 8, 2015

Negative predictors of adverse outcome: Pacemaker Pre-syncope or "near-syncope," but there is still some small risk (5, 18) These last two are identified in studies, but I consider them dangerous signs and symptoms in their own right, as above: 10. —QRS Aortic Dissection, Valvular (especially Aortic Stenosis), Tamponade.

Arrhythmia 52

Arrhythmia Outcomes Risk Factors Chest Pain 52