Narrow and Regular ECG - Edubirdie

University:
Western Sydney University
Course:
MEDI 2003 | Clinical Sciences 2
Academic year:

2024
Views:

500

Pages:

5
Author:

Mariam A. A.

Narrow and Regular ECG Sinus tachycardia • Features - Regular sinus rhythm with a heart rate of approx. 120/min. - P wave normal and present - 100 to 150 beats - P and T waves separated Atrial Flutter 2:1 • • SVT Fast but regular atria beats Features - atrial beats to ventricular beats like 2:1 - Rate: atrial 250–350; ventricular < 200 - P wave ✓ Before every QRS complex ✓ Sawtooth appearance of regular P wave especially in leads II, II and aVF - Narrow QRS complex - Left axis deviation: R > S in I (green complex); S > R in aVF (red complex) - Sometimes found: Prolonged PR interval (∼ 280 ms) • Features - Group of tachyarrhythmias arising from abnormalities in pacemaker activity and/or conduction involving myocytes of the atria and/or AV node - Usually more than 150 bpm - 151 to 250 beats per minute - P and T waves together Narrow and regular A – FiB • • • Irregular and fast in atria 350–450 bpm; < 200 P waves are really hard to see Variable A flutter • Not always the same ratio, so you may get 3:1 and then 2:1 for example Multifocal atrial tachycardia Features • • atrial tachycardia occurs with numerous atrial foci firing intermittently. produces varying P waves - Discernible P waves with ≥ 3 different P wave morphologies; no single morphology is predominant - Rate: 150–250

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