…Rheumatic heart disease can occur at any age and multiple valve lesions are common (typically the aortic and mitral valve). Rheumatic heart disease is rare…
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…Rheumatic heart disease can occur at any age and multiple valve lesions are common (typically the aortic and mitral valve). Rheumatic heart disease is rare…
…The pulmonary, aortic and mitral valve must also be evaluated, particularly in the setting of rheumatic valvular disease. The regurgitation is considered severe if the…
…following: The aortic valve is easy to visualize and image quality is typically high in multiple views. The diameter of the aortic valve is relatively…
…is rare. Lesions may be solitary or multiple and typically measure approximately 5–25 mm in diameter and 4–30 mm in depth. PAU is…
…the anatomical complexity of CAD, particularly in patients with multivessel disease or left main coronary artery disease . It integrates multiple variables, including the number of…
…of CCTA is its ability to exclude significant anatomical CAD with high sensitivity and a high negative predictive value, particularly when disease prevalence is low…
…a liquid approach a circular opening. The flow profile gradually assumes the shape of a hemisphere with multiple layers. Flow velocity is equal within each…
…in on regions of interest; e.g the aortic valve can be zoomed in to study its anatomy and function. Zooming in improves the resolution…
…multiple myxomas. Papillary fibroelastoma Papillary fibroelastoma is benign primary tumors affecting adults. These tumors most often occur in the aortic valve and the mitral valve…
…g skeleton, calcifications, mechanical heart valves) and reflect virtually all sound waves, leaving too few waves to explore the area behind the reflector. This results…
…those who did, only a minority had a reduced value — the majority of sudden cardiac deaths occur in patients with preserved LVEF, for whom no…
…Time Integral), using pulsed wave Doppler, in the aortic valve. The stroke volume is the product of VTI and area of the LVOT, as illustrated…
…TdP). Drug induced LQTS and TdP represent a multifactorial clinical entity that typically emerges when multiple modifiable and non modifiable risk factors converge. The electrophysiological…
…focal arterial lesions. Although epicardial coronary arteries are a major site of disease, atherosclerosis is systemic and may affect multiple arterial territories. The arterial wall…
…site to the aortic root, engaging the coronary ostia, and acquiring multiple angiographic projections. Although traditionally regarded as an anatomical examination, contemporary ICA can provide…
…Modifiable risk factors include electrolyte abnormalities such as hypokalemia, the co administration of multiple QT prolonging medications, and drug accumulation secondary to renal or hepatic…
…or non diagnostic CT. Suspected neuroborreliosis, neurosyphilis or another CNS infection. Suspected inflammatory disease: multiple sclerosis, Guillain–Barré syndrome, autoimmune encephalitis. Meningeal carcinomatosis and CNS…
…arrhythmias. The Singh Vaughan Williams classification fails to clarify that the majority of these agents exert effects on multiple cardiac ion channels ( Dan et al )…
…de pointes . ECG showing an episode of sinus rhythm (with multiple ventricular premature beats) spontaneously converting to Torsade de Pointes ventricular tachycardia. Notice how arterial…
…methods may also contribute. The cardioprotective effect is therefore likely to result from the cumulative influence of multiple modest dietary changes. Mediterranean type diets provide…
…the enzyme. By inhibiting this pump, digoxin affects multiple cellular processes critical to cardiac myocyte function, ultimately exerting a mild positive inotropic effect. Beyond its…
…positive hyperacute T waves [15]. Profound ST elevation across multiple leads generally indicates very severe ischemia [15]. A key distinguishing feature of ischemic ST elevation…
…connective tissue disorders, including Marfan syndrome and Ehlers–Danlos syndrome. FMD may be clinically occult and can affect multiple vascular territories, including the renal, carotid…
…this combination is associated with a worse prognosis. VA may occur in the presence of obstructive coronary artery disease (CAD), in non obstructive coronary arteries…
…considers both the plaque and the patient. Multiple potentially high risk plaques may exist throughout the coronary tree, while inflammation and thrombotic susceptibility are often…
…ST elevation. Multiple studies have demonstrated the superior sensitivity of OMI criteria—including subtle and nontraditional ECG patterns such as De Winter T waves, Wellens…
…arrhythmias. The Singh Vaughan Williams classification fails to clarify that the majority of these agents exert effects on multiple cardiac ion channels ( Dan et al )…
…occurs in LVH. Deep S wave in V5 or V6 ( 6 mm) Large RS complexes in multiple leads P pulmonale Figure 1. ECG changes seen…
…by withdrawing parasympathetic activity and increasing sympathetic activity. This has multiple effects which are discussed in detail below. This article will deal with the physiology…
…However, a growing body of science suggests that essential hypertension is a multifactorial disease caused by a complex interplay between genes and environment. Industrialization and…
…can identify these segments in multiple views. Note that the terms ischemic heart disease (IHD), coronary heart disease (CHD) , and coronary artery disease (CAD) are…
…true; the stiffer the myocardium, the slower and less pronounced the relaxation. Left ventricular compliance Multiple factors affect ventricular compliance. These factors include age, afterload…
…increasing particularly after 70 years Male sex Previous upper gastrointestinal disease Hepatic or renal disease Multiple cardiovascular risk factors Concomitant nonsteroidal anti inflammatory drugs Corticosteroid…
…diabetic kidney disease; older age; diabetes mellitus; hypovolaemia or extracellular fluid depletion; congestive heart failure or other cardiac dysfunction; haemodynamic instability; anaemia; multiple myeloma or…
…chronic kidney disease (CKD), and multiple non cardiovascular conditions are frequent features. A proposed disease pathway involves systemic and coronary microvascular endothelial inflammation associated with…
…increased embolic potential include: Greater thrombus mobility. Protrusion into the LV cavity. Visualization on multiple imaging planes. Location adjacent to hyperkinetic myocardium. Large thrombus burden…
…placental abruption, disseminated intravascular coagulation, and multiple organ failure. In the absence of treatment, approximately 1 in 100 cases of preeclampsia may progress to eclampsia…
…to established reversible myocardial ischaemia in either of two settings: Obstructive coronary artery disease (CAD) that cannot be controlled despite escalation of antianginal medical therapy…
…ventricle is divided into 17 segments for 2D echocardiography. One can identify these segments in multiple views. The basal part is divided into six segments…
…most commonly used formula. However, all above listed formulas were developed many decades ago and they have multiple drawbacks. For example, Bazett's formula is…
…than stenotic arteries, which are already dilated. This results in flow heterogeneity and perfusion defects in areas supplied by the disease artery. Thus, vasodilators replicate…
…examination include the following four imaging windows: Parasternal window Apical window Subcostal window (SC) Suprasternal window (suprasternal notch) Multiple views are obtained in each window…
…an easy way of expressing the energy cost of any exercise. The energy cost is expressed as multiples of the resting metabolic rate. For example…
…are blocked sporadically (without any Wenckebach phenomenon). The pauses between the visible beats are always multiples of the normal P P interval (Figure 3). Typically…