…has been a major therapeutic target. This concept is clinically relevant because cardiovascular risk may persist despite appropriate lipid lowering and other guideline directed therapies…

…brainstem integrity and cerebral perfusion. During cardiac arrest, circulation to the brain is severely compromised or absent, leading to rapid brainstem hypoxia. As a result…

…without structural heart disease (reduced left ventricular function is considered a structural heart disease). AVNRT, AVRT (WPW syndrome) and other conditions involving an accessory pathway…

…only a minority with symptoms having all of the traditional aggravating and relieving characteristics of angina; many patients report less characteristic symptoms, while others present…

…as the underlying cause. Other common causes are cardiomyopathy (hypertrophic or dilated), arrhythmogenic right ventricular cardiomyopathy, Brugada syndrome, early repolarization. Electrolyte disorders, acidosis, hypoxemia and…

…pulseless electrical activity (PEA), and asystole can all occur in one patient. The typical depiction of sudden cardiac death as a gradual transition from sinus…

…elevations that are not caused by ischemia and a significant proportion have ST T changes caused by other pathological conditions (such as bundle branch blocks)…

…tissue and high retention, with a linear relationship between myocardial blood flow and measured tracer activity over a wide range (Murthy et al.). As evident…

…An ECG lead is a graphical description of the electrical activity of the heart and it is created by analyzing several electrodes. In other words…

…from each other. This condition is referred to as atrioventricular (AV) dissociation. Importantly, for the ventricles to have any electrical (and thus pumping) activity at…