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Cardiac amyloidosis

…of high levels of natriuretic peptides and cardiac troponin [19]. ATTR Amyloidosis: This form arises from the misfolding of transthyretin, a protein produced primarily in…

Interpretation of myocardial perfusion images (Myocardial SPECT / PET)

…those used in echocardiography. The 17 segment model of the left ventricle serves as a standardized framework for identifying and localizing areas of ischemia or…

Intraventricular conduction delay: bundle branch blocks & fascicular blocks

…the level of the origin of the anterior papillary muscle. A network of Purkinje fibers sprouts out from the bundle branches and fascicles and spread…

Hypoglycaemia: quick reference for emergency management

…a reduced level of consciousness, seizures, confusion, a change in behaviour, collapse or an acute neurological deficit. Hypoglycaemia can cause hemiparesis, aphasia and radiological changes…

Obesity and Cardiovascular Disease: Assessment and Treatment

…that differ from those of non obese patients, and obesity complicates assessment of intravascular volume in both ambulatory and inpatient settings. Clinical presentation and symptoms…

The ST segment: physiology, normal appearance, ST depression & ST elevation

…segment is flat and isoelectric (i.e in level with the baseline). Displacement of the ST segment is of fundamental importance, particularly in acute myocardial…

Delirium in older adults: quick reference

…patient to recite the months of the year backwards. A normal result does not exclude delirium, however, and an abnormal result is not specific to…

ECG changes due to electrolyte imbalance (disorder)

…Hypocalcemia Causes of hypocalcemia Acute pancreatitis, pancreas surgery, alkalosis (hyperventilation), rhabdomyolysis, septicemia (sepsis), osteolytic cancer metastases, abnormal calcium absorption (gastrointestinal) and resorption (from primary urine…

Diagnostic Criteria for Acute Myocardial Infarction: Cardiac troponins, ECG & Symptoms

…die and the cell membranes collapse whereby cellular proteins are released into the circulation. It is possible to detect elevated levels of myocardial proteins in…

Left Bundle Branch Block: ECG criteria and clinical implications

…notching of the mid QRS in at least two left facing leads [7]. These stricter parameters correlate more closely with abnormal LV mechanical function and…

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