…OCT uses near infrared light rather than ultrasound. Its resolution is substantially higher than that of IVUS, approximately 5–20 µm depending on the system…

…cells near the node. The following must be noted: There are cells with pure automaticity around the atrioventricular node. These cells are capable of spontaneous…

…GFR in individuals with near normal or mildly reduced kidney function (eGFR 60 mL/min/1.73 m²), potentially leading to misclassification of CKD stages…

…paradoxus. Tamponade is therefore characterized haemodynamically by elevation and near equalization of diastolic pressures in the cardiac chambers, with chamber pressures approaching intrapericardial pressure. The…

…by itself, establish the presence or haemodynamic significance of a specific stenosis. Clinical Role and Indications CAC scoring is principally a risk stratification tool for…

…Cells near the atrioventricular node: The atrioventricular node does not possess automaticity, but cells surrounding it do. These cells are capable of generating an escape…

…the components of the conduction system and the arterial blood supply. The first third of the right bundle branch run in the endocardium, near the…

Echocardiography Generating the ultrasound image The ultrasound transducer generates short bursts (pulses) of ultrasound waves. Reflected ultrasound waves are analyzed by the machine during the…

…to the rule above should be noted. If an ectopic focus arises in or near the bundle of His, the impulse may be delivered to…

…margin must be included in the freeze. Contraindications Absolute: Suspected melanoma or any other pigmented lesion of uncertain diagnosis. A lesion in which histology is…