ECG

Abnormalities

Heart block

"QT interval"

ECG

MYOCARDIAL INFARCTION

"ST segment"

Cardiac Conduction System

Arrhythmia

R-R interval >> ventricular rhythm

P-P interval >> atrial rhythm

Nada Mohsen

Heart Rate

Rule of 300

Rule of 10

ECG Interpretation

Electrodes

QRS complex

T wave

0.5 mm in leads I, II, and III

and up to 10 mm in the precordial leads

P wave

QT inreval

Thank You!

PR Interval

ST segment