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- ECG Challenge: Hyperlipidemia and Irregular Pulse - Medscape
The rate is 75 beats min Considering this PP interval, these are regular P waves seen throughout (*) All the PR intervals are the same (0 16 sec) The P waves are positive in leads I, II, aVF
- Methadone-Associated Q-T Interval Prolongation and Torsades . . . - Medscape
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
- ECG Challenge: Irregular Pulse in a Hypertensive Patient - Medscape
A P wave occurs before each QRS complex (+) with a stable PR interval (0 20 sec) The P waves are positive in leads I, II, aVF, and V4-V6 This is a normal sinus rhythm
- ECG Findings Associated With Cocaine Use in Humans - Page 5 - Medscape
Shortened PR interval, lengthened QRS with slurred upstroke of R waves (deep Q waves) in V2–V3 (WPW pattern) Clinical studies report modest prolongation (often within normal limits), with a
- ECG Findings Associated With Cocaine Use in Humans - Page 4 - Medscape
A study investigating the effects of acute cocaine administration in 14 habitual users by Magnano et al found a small but significant decrease in PR interval length within 2 min following
- The Telltale Tall R Waves - Page 2 - Medscape
The rhythm is regular at a rate of 100 beats min A P wave occurs before each QRS complex (+) with a stable but short PR interval (0 12 sec) Because the QRS complex duration is normal (0 08
- ECG Findings Associated With Cocaine Use in Humans - Medscape
Shortened PR interval, lengthened QRS with slurred upstroke of R waves (deep Q waves) in V2–V3 (WPW pattern) although often attributable to normal variant of early repolarization; may have
- ECG Challenge: Whats Causing This Long Pause? - Page 2 - Medscape
A P wave occurs before each QRS complex (+) with a stable PR interval (0 14 sec) The P waves are positive in leads I, II, aVF, and V4-V6 The QRS complex duration is normal (0 08 sec) with a
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