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Mitral valve stenosis

…Figure 1). The anterolateral papillary muscle receives blood supply from the left anterior descending artery (LAD) and the left circumflex artery (LCX), whereas the posteromedial…

Tricuspid regurgitation (TR/TI)

…It normally consists of three leaflets (anterior, posterior and septal leaflet). The leaflets are attached to the subvalvular apparatus, consisting of the chordae tendineae and…

Fascicular block (hemiblock): Left anterior & left posterior fascicular block

…rS complexes. Causes of left anterior fascicular block (LAFB) LAFB may occur in persons who are otherwise healthy. The majority of those with LAFB, however…

Left bundle branch block (LBBB): ECG criteria, causes, management

…the left ventricle partially or entirely outside the specialized conduction system. This slower conduction results in a prolonged QRS duration. The defining features of LBBB…

Left Bundle Branch Block: ECG criteria and clinical implications

…duration exceeding 140 msec in males and 130 msec in females , along with slurring or notching of the mid QRS in at least two left…

The electrical axis of the heart (ECG axis)

…Left anterior fascicular block is diagnosed if the axis is between 45° and 90° with qR complex in aVL and QRS duration 0,12 s…

The electrical axis of the heart (heart axis): ECG & physiology

…Left anterior fascicular block is diagnosed if the axis is between 45° and 90° with qR complex in aVL and QRS duration is 0,12…

Posterior Myocardial Infarction: Diagnosis on the Standard ECG

…indirectly as reciprocal abnormalities in the anterior precordial leads. Acute myocardial ischaemia alters the resting membrane potential and action potential duration of affected myocardial cells…

ST-Elevation Myocardial Infarction Complicated by Cardiogenic Shock

…filling pressures, pulmonary venous hypertension, and pulmonary congestion. Hemodynamic deterioration is more likely with larger infarcts, anterior infarction, advanced age, delayed or unsuccessful revascularization, and…

Right bundle branch block (RBBB): ECG, criteria, definitions, causes & treatment

…into the bundle of His, which bifurcates into the right and left bundle branches. The left bundle branch further divides into the anterior and posterior…

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