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ECG in myocardial ischemia: ischemic changes in the ST segment & T-wave

…This chapter discusses typical and atypical changes in the ST segment and the T wave during myocardial ischemia. A thorough discussion of the electrophysiological principles…

Renal parameters

…Cystatin C based eGFR With an atypical muscle mass, or to confirm a creatinine based value The mean of creatinine and cystatin C The most…

ST segment elevation in acute myocardial ischemia and differential diagnoses

…is typically small). Moreover, ischemic ST segment elevations are typically accompanied by reciprocal ST segment depressions. These ST segment depressions are mirror images of the…

Non-ST Elevation Acute Myocardial Infarction (NSTEMI) and Unstable Angina

…the formation of atherosclerotic plaques [1] . While stable plaques are characterized by a thick fibrous cap and a small lipid core, the pathophysiology of Acute…

Performing Echocardiographic Examinations

Echocardiography Principles of echocardiographic examinations In small children, it is possible to perform the entire transthoracic echocardiography (TTE) with the child in the supine position…

P-wave, PR interval, PR segment: physiology, criteria & ECG findings

…Enlargement of the left and right atria causes typical P wave changes in lead II and lead V1 ( Figure 3 ). Enlargement of the right atrium…

Delirium in older adults: quick reference

…subtypes Subtype Typical picture Clinical significance : : : Hyperactive Agitation, motor restlessness, picking, calling out, irritability, hallucinations More easily detected, but accounts for a minority of cases…

Cardiac tamponade causing cardiac arrest

…former). Even small pressure elevations on the right side can compromise venous return to the right ventricle. Therefore, in the presence of a tamponade, chest…

Interpretation of myocardial perfusion images (Myocardial SPECT / PET)

…their size, encompassing: Small defects : <10% of the left ventricular myocardium. Medium defects : 10–20% of the myocardium. Large defects : 20% of the myocardium. Perfusion…

Myocardial Ischemia &amp; infarction: Cellular changes, ECG and symptoms

…the typical ECG changes as well. In acute coronary syndromes, however, symptoms and ECG changes are manifest at rest because of the severe reduction of…

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