In the name of God Dysrhythmia Provided by

In the name of God! Dysrhythmia Provided by: Naser Parizad, Ph. D. in nursing education.

ECG interpretation • Heart rate • Rhythm o NSR o Dysrhythmias

Heart Rate measurements

Heart rate measurement • The 300 Method: Count the number of large boxes between 2 successive R waves and divide by 300 to obtain heart rate. • The 1500 Method: Count the number of small boxes between 2 successive R waves and divide by 1500 to obtain heart rate.

300 -150 -100 -. . . method

Normal H. R. 60 -100 bpm Bradycardia less than 60 bpm Tachycardia more than 100 bpm

Heart Rhythm

Sinus rhythm

Sinus Bradycardia

Sinus Tachycardia

Sinus Bradycardia VS Sinus Tachycardia

Sick Sinus Syndrome

AV Block First degree AV block Second degree AV block Third degree AV block Mobitz Type I (Wenckebach) Mobitz Type II

1’ AV block

2’ AV block type 1(Mobitz I)Wenckebach

2’ AV block type 2 (Mobitz II)

3’ AV block (Complete Heart Block)

Premature Atrial Contraction(PAC)

Multifocal Atrial Tachycardia (MAT)

Atrial Flutter

Atrial Fibrillation

Paroxysmal supraventricular tachycardia (PSVT)

Junctional rhythm

Idioventricular rhythm

Accelerated Idioventricular Rhythm (AIVR)

PVC

Different pattern of PVC

Different types of PVC

Different types of PVC

Ventricular Tachycardia

Torsade de Pointes

Ventricular Fibrilation

Asystole

Pulseless Electrical Activity (PEA)