ECG Challenge: What Is This Irregularly Irregular Rhythm?
网页2016年3月24日 · Figure 2. Irregularly irregular rhythm, rate 60 beats/min. Image courtesy of Dr Podrid. The QRS complexes have a normal duration (0.10 sec) and axis between 0° and +90° (positive QRS complex in ...
ECG Challenge - Index - Medscape
网页2024年5月3日 · Clinical Case, March 19, 2024. ECG Challenge: Dysuria, Hematuria, and Fever A 57-year-old woman presents with fever, hematuria, and dysuria. She is treated for an infection. What does her ECG show ...
ECG Abnormalities and Stroke Incidence - Medscape
网页ECG waveforms and intervals. The authors do understand that it is often difficult to differentiate cardioembolic stroke from other subtypes, specifically large vessel thromboembolic stroke, either ...
ECG Challenge: What's Causing This Long Pause? - Page 2
网页2023年8月8日 · The QT/QTc intervals are normal (480/430 msec). There is no P wave noted during the long pause. This is a sinus pause. ... Because the pause in this ECG is much greater than two PP intervals, this ...
Machine Learning Effectively Identifies Long QT Syndrome
网页2024年3月21日 · This surpassed expert-measured QTc intervals in detecting long QT syndrome (F1 score, 0.84 vs 0.22) and sensitivity (0.90 vs 0.36), including in patients with normal or borderline QTc intervals.
ECG Challenge: COPD Flare-Up and Irregular Heartbeat - Page 2
网页2024年3月19日 · This is a physiologic left axis. P waves occur (+) with a stable PP interval (⊓) and a rate of 100 beats/min. The P waves are positive in leads I, II, aVF, and V4-V6. Hence, there is an ...
Occasional Lightheadedness and Concerning ECG - Page 3
网页2024年5月3日 · Discussion of ECG A. There are P waves (+) with regular PP intervals and a rate of 85 beats/min. The P waves have a normal morphology; they are positive in leads I, II, aVF, and V4-V6. This is a ...
ECG Challenge: Hyperlipidemia and Irregular Pulse - Medscape
网页2024年5月22日 · All the PR intervals are the same (0.16 sec). The P waves are positive in leads I, II, aVF, and V4-V6. This is an underlying normal sinus rhythm at a rate of 75 beats/min.
ECG Challenge: New Beats With a Pacemaker - Medscape
网页2024年7月22日 · A 78-year-old man with a history of heart failure presents for routine follow-up 1 week after insertion of a pacemaker. As part of the evaluation, a 12-lead ECG is obtained.. Figure 1. The correct ...
ECG Challenge: Her Annual Physical Is Normal, Except the ECG
网页2019年4月1日 · The axis is normal between 0° and +90° (positive QRS complex in leads I and aVF). The QT/QTc intervals are prolonged (420/480 msec) but are normal when the prolonged QRS complex interval is ...