Ken Grauer, MD

SEPTEMBER 22, 2023

The rhythm is sinus bradycardia at a rate just over 50/minute. The February 11, 2020 post ( LA-RA reversal ). The March 18, 2020 post ( LA-RA reversal ). The July 28, 2020 post ( RA-LL reversal ). The August 28, 2020 post ( LA-LL reversal ). The November 19, 2020 post ( LA-LL reversal ).

Blog 178

Blog Chest Pain Bradycardia Physiology 178

Ken Grauer, MD

DECEMBER 23, 2023

Physiologically — the most commonly observed pattern of AFlutter, known as " Typical " AFlutter — produces 2:1 negative deflections seen in the inferior leads ( as seen in Figure-3 ) — as a result of CCW ( C ounter C lock W ise ) rotation of a fixed reentrant circuit around the tricuspid valve annulus and through the cavo-tricuspid isthmus.

Blog 176

Blog Tachycardia Tricuspid Atrial Flutter 176

Dr. Smith's ECG Blog

JANUARY 23, 2024

The physiologic reason for this — is thought to be the result of momentarily increased circulation from mechanical contraction arising from the "sandwiched in" QRS complex. The QRS complex in ECG #1 is wide. Figure-3: Diagnostic considerations for a patient who presents in AV block ( adapted from Mangi et al — StatPearls, 2021 ).

Tachycardia 86

Tachycardia Arrhythmia Heart Disease Sudden Cardiac Death 86