Articles & courses

ArticlesShow all 223
Vasospastic (Prinzmetal) Angina: Provocation Testing and Treatment

…serotonin antagonists used for depression may precipitate episodes. Clinical presentation and symptoms The characteristic symptom is severe angina occurring at rest. Episodes frequently cluster between…

Atrial Fibrillation in the Critically Ill Patient

…ischaemic electrocardiographic changes during rapid AF. ST segment depression or T wave inversion can occur without coronary artery disease. Proposed explanations in the source material…

The T-wave: physiology, variants and ECG features

…negative if its terminal portion is below the baseline, regardless of whether its other parts are above the baseline. T wave inversions are frequently misunderstood…

ST segment depression in myocardial ischemia and differential diagnoses

ECG Myocardial ischemia and infarction ST segment depression due to acute myocardial ischemia ST segment depressions caused by ischemia are characterized by a horizontal or…

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

…always used (because exercise frequently causes J point depression). As mentioned above there are numerous other conditions that affect the ST T segment and it…

Myocardial Ischemia & infarction: Cellular changes, ECG and symptoms

…and infarction Myocardial ischemia: cellular changes, ECG signs and development of infarction Like all other cells in the human body, cardiac myocytes use ATP (adenosine…

ECG Criteria for STEMI (ST Elevation Myocardial Infarction)

…PR segment depression is a common and early electrocardiographic sign of acute pericarditis, reflecting pericardial involvement overlying the atria [4, 5]. Other Differential Diagnoses ST…

Smoking Cessation: Pharmacotherapy and Cardiovascular Benefit

…electronic cigarettes or other inhaled products. Readiness to attempt cessation. Depression, schizophrenia, schizoaffective disorder, HIV infection or other circumstances that may affect cessation or treatment…

ST segment elevation in acute myocardial ischemia and differential diagnoses

…1 A ). Concave ST segment elevations, on the other hand, are much less likely to be caused by ischemia ( Figure 1 B ). This is noted…

Posterior acute myocardial infarction (STEMI)

…does not display ST segment elevations during posterior (posterolateral) transmural ischemia. On the other hand, leads V1–V3 (occasionally V4) may detect the injury currents…

Media

No matches.

Tests

Tools