ST segment is the flat section of the ECG between end of S and start of the T wave between ventricular depolarization and repolarization EKG
For our healthcare student friends, and anyone else fighting the AXIS of evil! Super Axis Man (SAM) is here to help understand Axis on the ECG
ST depression from subendocardial ischemia does not localise… look for a reciprocal STEMI! ECG anatomy correlation MI localization
ECG features of sinus arrhythmia. Sinus rhythm with beat-to-beat variation in the P-P interval producing an irregular ventricular rate.
Normal Sinus Rhythm. Pacemaking impulses arise from the SA node and are transmitted to the ventricles via the AV-node and His-Purkinje system.