…Effects of disopyramide on ECG, heart rhythm and conduction Effect on sinoatrial (SA) node SA node function may become worse in patients with established SA…

…without a definite diagnosis. Choice of technique Diagnostic question Method Comment : : : Pigmented lesion, suspected melanoma Excision with a 1–3 mm margin, down into the…

…Adenosine is an endogenous nucleoside present throughout the body that interacts with G protein coupled A1 receptors located on the extracellular surface of cardiac cells…

…QRS duration, delta waves, secondary ST T abnormalities). Click to zoom. Atrioventricular reentrant (reentry) tachycardia (AVRT) Individuals with accessory pathways are at risk of developing…

…present Whether an accessory pathway is suspected, particularly before administration of digoxin The duration of the AF episode, if known The presence of thromboembolic risk…

…consistent with first degree AV block. A shortened PR interval (<0,12 s) indicates pre excitation (presence of an accessory pathway). This is associated with…

…via the His Purkinje system, and in most cases, there is no significant hemodynamic compromise. However, in cases of rapid AVNRT or in patients with…

…of the Pupillary Reflex in Cardiac Arrest The pupillary light reflex is controlled by a simple neural circuit: light signals travel from the retina via…

…lead to ventricular dilation. However, the term dilated cardiomyopathy (DCM) refers to idiopathic or genetic dilation of the left ventricle . Patients with DCM typically develop…

…help determine expected normal values based on body surface area (BSA), aiding in the diagnosis of aortic root dilation. Key Formulas BSA Calculation (Mosteller formula): [ …