…g cardiac magnetic resonance imaging (MRI), cardiac computerized tomography (CT), ergospirometry (exercise stress testing), and cardiac catheterization. Principles of management of congenital heart disease and…

…clinical management, key aspects of pathophysiology and discussions on differential diagnoses for each condition. Moreover, most books included very few real world examples of the…

…Only clinical signs of herniation halt the puncture, and antibiotics and a corticosteroid are then given immediately after blood cultures. For questions other than acute…

…echogenicity). For each reflection, a portion of the sound waves return to the transducer and produce a copy of the reflector on the image. Hence…

…presence or haemodynamic significance of a specific stenosis. Clinical Role and Indications CAC scoring is principally a risk stratification tool for individuals without known clinical…

…for this are explained below. The normal P wave contour on ECG The normal P wave (Figure 1, upper panel) is typically smooth, symmetric and…

…attempts and their duration. Triggers for smoking and anticipated barriers to cessation. Exposure to second hand smoke. Use of cannabis, electronic cigarettes or other inhaled…

…impulse reaches the atrioventricular node when there are two pathways, one being refractory and the other capable of conducting the impulse, re entry may arise…

Arrhythmias and arrhythmology ECG Mechanisms of cardiac arrhythmias: from automaticity to re entry This section introduces the most common arrhythmias encountered in clinical practice, beginning…

…reflecting the dynamic interplay between cardiac function and vascular resistance. Advantages of measuring MAP over systolic blood pressure While systolic blood pressure (SBP) indicates the…

…interval can cause serious arrhythmias and sudden cardiac death. QT prolongation can precipitate torsades de pointes, a specific form of polymorphic ventricular tachycardia characterized by…

…with NSTE ACS should be admitted for management of acute ischaemia. Those with possible ACS, a non diagnostic ECG, and normal initial troponin may be…

…pacemaker function requires knowledge of the mode of pacing, and careful analysis of ECG tracings. Most modern devices are capable of transmitting ECG tracings continuously…

…generate vibrations in the surrounding air and these vibrations propagate in the form of a sound wave. If the sound waves encounter a new medium…

…with long refractory periods and short RR intervals have shorter refractory periods. Aberrant conduction occurs when the length of the cardiac cycle is changed without…

…wave changes in lead II and lead V1 ( Figure 3 ). Enlargement of the right atrium is commonly a consequence of increased resistance to empty blood…