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ECG interpretation: Characteristics of the normal ECG (P-wave, QRS complex, ST segment, T-wave)

…ECG examples. Click to zoom. Overview of the normal electrocardiogram (ECG) ECG interpretation includes an assessment of the morphology (appearance) of the waves and intervals…

Acquired QT Prolongation and Drug-Induced Arrhythmia

…imbalance ECG Definition and Pathophysiology Acquired long QT syndrome (LQTS) is characterised by an abnormal prolongation of the QT interval on the surface electrocardiogram (ECG…

Ventricular rhythm and accelerated ventricular rhythm (idioventricular rhythm)

…the latter also known as idioventricular rhythm. Recognizing these arrhythmias on the electrocardiogram (ECG) is of clinical importance. Diagnosis and management of ventricular tachycardia will…

🟠 Left ventricular diastolic function

…adult Abnormal relaxation (grade 1 dysfunction) Pseudonormal (grade 2 dysfunction) Reversible restrictive filling (grade 3 dysfunction) Irreversible restrictive filling (grade 4 dysfunction) E/A ratio…

🟠 Right ventricle, pulmonary artery, pulmonary artery pressure

…11.029. Pulmonary valve Pulmonary valve regurgitation Mild regurgiation Moderate regurgitation Severe regurgitation Pulmonary valve morphology normal normal/abnormal abnormal Density CW Doppler weak, slow…

🟠 Left and right atrium

…size and volume Women Men Normal range Mildly abnormal Moderately abnormal Severely abnormal Normal range Mildly abnormal Moderately abnormal Severely abnormal ATRIAL DIMENSIONS LA diameter…

🟠 Pulmonary valve

Pulmonary valve regurgitation Mild regurgiation Moderate regurgitation Severe regurgitation Pulmonary valve morphology normal normal/abnormal abnormal Density CW Doppler weak, slow deceleration variable dense, steep…

The QRS complex: ECG features of the Q-wave, R-wave, S-wave & duration

ECG Introduction to ECG interpretation The QRS complex (ventricular complex): normal and abnormal configurations and intervals A complete QRS complex consists of a Q , R…

Vasospastic (Prinzmetal) Angina: Provocation Testing and Treatment

…formerly termed Prinzmetal or variant angina, is myocardial ischaemia caused by transient abnormal vasoconstriction of one or more coronary arteries. Epicardial spasm produces a reversible…

Atrial fibrillation: ECG, classification, causes, risk factors & management

Arrhythmias and arrhythmology ECG Atrial fibrillation: definitions, causes, risk factors, ECG diagnosis and management Atrial fibrillation is the most common abnormal tachyarrhythmia (only sinus tachycardia…

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