extrasystole

#ECG - stage 1

Extrasystole arrhythmias

By Dr. Ahmed Hafez

https://youtu.be/95HV64rPXZA Extrasystole arrhythmias ECG training course Date of show : 16 May 2024, 09:00 PM CAI Introduction to ECG – 1st part 20:19 Heart axis deviation and alfa angle 23:13 Normal ECG values and heart rate calculation 37:53 ECG of atrial and ventricular hypertrophy 31:37 ECG changes in Myocardial Infarction MI 18:56 ECG of heart rate disorders 17:21 Arrhythmia, Flutters and Fibrillations 22:50 Extrasystole arrhythmias 14:49 ECG of heart block 27:19 PDF materials of lesson : Extrasystole arrhythmias

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#ECG materials

Extrasystole arrhythmias

By Dr. Ahmed Hafez

  Supraventricular extrasystoles   Sinus extrasystoles » Sinus node reentry» Normal sinus form P, unchanged ventricular complex» The post-extrasystolic pause is equal to the length of the normal sinus cycle   Atrial extrasystoles » Extraordinary altered P wave, narrow QRS, supraventricular type, incomplete compensatory pause » With lower atrial extrasystole, the P wave can be negative in II, III, aVF   AV extrasystoles » The extrasystolic impulse arising in the AV node propagates in two directions: retrograde to the atria and the usual way to the ventricles. Therefore, the QRS complex has an unchanged appearance, and the excitation of the

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#ECG materials

Arrhythmia, Flutters & Fibrillations

By Dr. Ahmed Hafez

  Sinus arrhythmia » If the difference between the maximum and minimum P-P (R-R) is more than 0.1 sec (or more than 10% compared to the mean), then this is sinus arrhythmia» Respiratory arrhythmia : sinus arrhythmia is associated with the phases of breathing » No difference in P-P values – rigid sinus node (damage to sinus node cells) Normal rhythm : » Must be sinus, that’s means each P wave is followed by QRS complex » Must be regular – the difference between the longest and the shortest R-R interval does not exceed 0.1 sec » Must be equality of

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