…the stent progressively reduce the lumen. The stent scaffold prevents the external constriction that characterizes restenosis after balloon angioplasty. The biological response therefore occurs primarily…

…action potentials originating in the sinus node, but also by external electrical stimuli that drive the cells to threshold. Any stimulus driving the membrane potential…

…and absence of a palpable pulse. Ventricular contraction has ceased or unable to generate perfusion. SCD (sudden cardiac death) : Death resulting from sudden cardiac arrest…

…6°C (97.7 99.7°F). It arises when heat production or acquisition surpasses the body's capacity for heat elimination. Hyperthermia can induce an inflammatory…

…and settings, which can be tailored to the patient's needs. Programming is done through an external device that communicates wirelessly with the pacemaker. A…

ECG Exercise stress test Definition and clinical role Exercise electrocardiographic testing is a standardized assessment in which a patient performs progressively increasing external work, usually…

…a normal radiograph. Contraindications An open fracture or a wound that needs to be inspected — use a windowed splint or external fixation. Established or impending…

…principal advantage is tissue penetration, generally allowing assessment several millimetres beyond the lumen and visualization of the external elastic membrane (EEM). IVUS is consequently useful…

…reflex response to posture, venous pooling, or external stimuli. The underlying pathophysiology is rooted in autonomic dysregulation within a structurally normal heart. During an episode…

…medical service) team upon their arrival at the scene. If an AED (automatic external defibrillator) has been connected, it should be interrogated (if possible) to…