…It is performed using a non contrast, electrocardiographically gated computed tomography (CT) scan. Image acquisition generally requires a single breath hold and does not require…

…be computed similarly using the six precordial leads, with a 0 degree value assigned along the lead axis of V6 [3]. Clinical Implications of Axis…

…Coronary computed tomographic angiography (CCTA) is a non invasive anatomical examination that depicts the coronary arterial lumen, atherosclerotic plaque, and the severity and distribution of…

…tracer uptake plateaus. This saturation effect can lead to an underestimation of blood flow in regions affected by significant coronary artery disease, potentially resulting in…

…imaging (MPI) with single photon emission computed tomography (SPECT) or positron emission tomography (PET) is a radionuclide based method for assessing regional myocardial blood flow…

…that of other forms of acute tubular necrosis, although the complication remains associated with post procedural morbidity and mortality. Pathophysiology The precise mechanism of contrast…

…The repertoire of available methods includes echocardiography, cardiovascular magnetic resonance (CMR), cardiac computed tomography (CT), single photon emission computed tomography (SPECT), positron emission computed tomography…

Cardiology Principles of myocardial perfusion imaging Myocardial perfusion imaging (MPI) is a non invasive technique for detecting and quantifying coronary artery disease (CAD). It offers…

…because coronary computed tomography angiography (CCTA) and functional imaging have higher diagnostic performance. Its most consistent contemporary role is therefore the assessment of functional capacity…

…in particular computed tomography (DT) and/or magnetic resonance imaging (MRI). Anatomy of the pericardium The pericardium consists of a parietal layer and a visceral…

…description of the electrical activity of the heart and it is created by analyzing several electrodes. In other words, each ECG lead is computed by…

…flow reserve derived from computed tomography can refine interpretation. Coronary plaque and future events Angiographic stenosis severity is an imperfect predictor of future myocardial infarction…

…computers, etc) must also be ignored. The atrial lead is therefore set to record signals with an amplitude range of 1.5 to 5 mV…

…at clarifying the genesis of the mass. Transesophageal echocardiography (TEE), magnetic resonance imaging (MRI of the heart) and computed tomography (DT of the heart) are…

…seizures and temperature management. The ICU is the preferred level of care for the absolute majority. The CCU may be suitable for stable (hemodynamically and…

ECG Left main coronary artery occlusion Left main coronary artery (LMCA) occlusion is a rare but catastrophic manifestation of acute coronary syndromes. The LMCA supplies…

…ageing population, increased incidence and prevalence of cancer, heart failure, obesity, type 2 diabetes and physical inactivity. The increased use of computed tomography (CT), and…

…also called idioventricular rhythm . The hallmark of all ventricular rhythms is the wide QRS complex (QRS duration ≥0.12 seconds). The QRS complex is wide…