…cocaine or methamphetamine overdose, prior treatment with alpha blockade is necessary before administering labetalol (risk of elevating blood pressure in these settings). Labetalol doses and…
…effects on alpha receptors. Stimulation of beta receptors increases inotropy and chronotropy by elevating intracellular cyclic adenosine monophosphate (cAMP) and calcium, as well as through…
…prolonged, produces multiorgan dysfunction and death. In the setting of ST elevation myocardial infarction (STEMI), cardiogenic shock most commonly reflects severe left ventricular (LV) dysfunction…
…electrocardiographic changes, and with or without acute elevations in cardiac troponin concentrations. Based on the presenting electrocardiogram (ECG) and the presence of troponin elevation, ACS…
…These depressions are reciprocal ST segment depressions, meaning that they mirror the ST segment elevations. If the terminal portion of the T wave in V1…
…fundamental pathophysiological substrate for acute coronary syndromes (ACS), including ST Elevation Myocardial Infarction (STEMI) [1] . Historically viewed as a simple plumbing problem characterized by the…
…therapy Management Recommendation Level of evidence Reperfusion is indicated in all patients with symptoms of ischaemia of <12 h duration and persistent ST segment elevations…
…influences. The severity of myocardial injury is determined not only by the epicardial obstruction but also by the vulnerability of the myocardium and coronary microcirculation…
…typically platelet rich and less occlusive, often presenting clinically as Non ST Elevation Myocardial Infarction (NSTEMI) rather than STEMI [4] . Calcified Nodules: A less common…
…occlusions; a partial occlusion results in a reduction of coronary blood flow and this causes subendocardial ischemia (i.e ischemia that only affects the subendocardium)…