Dr. Smith's ECG Blog

JULY 1, 2019

Details of my approach to ECG diagnosis of BBB are beyond the scope of this blog post — but are discussed in the ECG Video below ( or in free download of Section 5 PDF on BBB — from my ECG-2014-ePub ). The rhythm is sinus tachycardia at ~105/minute. The rhythm is sinus tachycardia at ~115/minute.

Chest Pain 52

Chest Pain Ischemia STEMI Blog 52

Dr. Smith's ECG Blog

JUNE 2, 2023

She was awake, alert, well perfused, with normal mental status and overall unremarkable physical exam except for a regular tachycardia, possible rales at both bases, some mild RUQ abdominal tenderness. Thus, I believe it is a regular, monomorphic, wide complex tachycardia. Or it could simply still be classic VT. What is the Diagnosis?

Tachycardia 95

Tachycardia Cardiomyopathy Electrocardiogram Article 95

Ken Grauer, MD

MARCH 14, 2025

QUESTION: This tracing was interpreted as sinus tachycardia with some kind of BBB ( B undle B ranch B lock ). ANSWER: There is no Bundle Branch Block because the rhythm is not sinus tachycardia. Thus, one might easily be fooled from Figure-1 into thinking that todays rhythm is sinus tachycardia. What kind of BBB is this?

Blog 98

Blog Tachycardia Download Heart Disease 98

Ken Grauer, MD

MARCH 29, 2025

Barring some form of severe underlying heart disease in which a baseline tracing in sinus rhythm shows identical QRS morphology the frontal plane axis deviation seen in ECG #1 is almost always indicative of VT. CLICK HERE to download a PDF of this 6-page file on Aberrant Conduction.

Blog 116

Blog Tachycardia Cardiac Arrest Download 116

Ken Grauer, MD

FEBRUARY 7, 2025

Awareness of our relative certainty about whether we are dealing with ischemic or idiopathic VT vs some form of SVT vs a WPW-related tachycardia can guide us for deciding when to try vagal maneuvers, electrical cardioversion, or some form of medical therapy ( ie, Adenosine, Amiodarone, Verapamil, -Blocker, or other ). No history.

Blog 101

Blog Heart Disease Download Tachycardia 101