ECG Challenge: COPD Flare-Up and Irregular Heartbeat
Mar 19, 2024 · The following PR interval ( ) is longer (0.36 sec), and the PR intervals become progressively longer thereafter until there is a nonconducted P wave (↓) after complexes 5 and …
Methadone-associated Q-T Interval Prolongation and Torsades
Introduction Q-T interval prolongation occurs when there is an interruption in the normal balance and flow of ions in the myocardium, increasing the time it takes for repolarization to occur. [1]
ECG Findings Associated With Cocaine Use in Humans - Page 5
The few human studies available (including studies during abstinence from cocaine) indicate that the PR interval remains either unaffected or slightly decreases in the setting of cocaine use, …
Office Consultation 1 - Page 2 - Medscape
Mar 25, 2003 · The prolonged PR interval can occur with either block in the AV node or His-Purkinje system. A normal PR interval in this situation markedly increases the chances for …
ECG Challenge: New Beats With a Pacemaker - Medscape
Jul 22, 2024 · After receiving a pacemaker, this heart failure patient has changes to his ECG. Are these new rhythms normal?
ECG Challenge: Abdominal Pain, Diarrhea in Heart Disease Patient
Oct 22, 2020 · The correct diagnosis is sinus rhythm, LVH, and normal T waves (Figure 2). The ECG shows a normal P wave (+) before each QRS complex with a stable and normal PR …
ECG Findings Associated With Cocaine Use in Humans - Page 4
The effects of cocaine on PR interval and QRS complex width described in clinical studies generally contrasted the case report literature in which 11 cases of PR interval prolongation …
ECG Challenge: Sudden Palpitations and Shortness of Breath
Jan 6, 2022 · The sixth QRS complex (+) is narrow with a normal morphology and axis. It is preceded by a P wave (^) with a normal PR interval. This is a capture or Dressler complex (beat).
The Telltale Tall R Waves - Page 2 - Medscape
Oct 2, 2018 · The diagnosis is sinus tachycardia, short PR interval (enhanced AV conduction), and Duchenne muscular dystrophy. The rhythm is regular at a rate of 100 beats/min. A P wave …
Occasional Lightheadedness and Concerning ECG - Page 3
May 3, 2024 · This is a stable normal sinus rhythm. Every other P wave is conducted (ie, followed by a QRS complex) and there is a stable PR interval (0.48 sec). A second P wave (*) is …