…QRS duration of $\ge 120$ msec , the presence of broad and typically notched R waves in leads I, aVL, and the left precordial leads…

…R wave in V5 and V6. Secondary ST T changes occur invariably in the presence of LBBB. The following ECG criteria and characteristics are used…

…To address these challenges, researchers have developed ECG criteria designed to identify ischemia in the presence of left bundle branch block. The most widely recognized…

…defines: The presence and severity of left main stenosis Ostial, shaft or distal bifurcation involvement Disease in the left anterior descending and left circumflex arteries…

…Ongoing or newly recognized LV systolic dysfunction. A patient may also present because of complications of the underlying infarction or LV remodeling, including heart failure…

…be ignored. The most common situation is when assessing aortic stenosis in the presence of a narrowing of the LVOT (left ventricular outflow tract). Such…

…factors. Plaque erosion Plaque erosion is increasingly recognized and is present in at least one third of acute coronary syndromes in the cited material. Eroded…

…with oxygen demands. Depending on several factors– including the severity of the stenosis/occlusion, microvascular function, myocardial oxygen extraction, presence of collateral circulation, etc –ischemia…

…section (SAX, short axis view), the the ventricle is rather a crescent shaped appendage of the left ventricle. On longitudinal sections (A4C, apical four chamber…

…and signs of heart failure (HF) in the presence of a left ventricular ejection fraction (LVEF) of ≥50%, accompanied by objective evidence of structural and…