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Myocardial Ischemia & infarction: Cellular changes, ECG and symptoms

…absence of oxygen. Unfortunately, glycogen yields only small amounts of ATP and glycogen supplies are limited. In order to reduce oxygen demands, cardiac myocytes stop…

A new ECG biomarker for sudden cardiac death

…It lies instead in patient selection. Because implantation entails appreciable cost and procedural risk, the risk benefit balance depends almost entirely on the capacity to…

Supraventricular and intraventricular conduction defects in myocardial ischemia and infarction

…in the case of left bundle branch block should lead the clinician to activate the catheterization laboratory (discussed in Left bundle branch block and ischemia…

The left ventricle in myocardial ischemia and infarction

…Coronary Arteries and Localization of Infarction & Ischemia). Figure 1 shows a detailed view of the coronary arteries. Figure 1. The right ventricle is supplied by…

Introduction to Coronary Artery Disease (Ischemic Heart Disease)

…delivered to the heart muscle supplied by the atherosclerotic artery. Whenever oxygen demand exceeds oxygen (blood) delivery ischemia occurs and this manifests with chest discomfort…

Factors that modify the natural course in acute myocardial infarction (AMI)

…for now, it is sufficient to note that the more myocardium supplied by an artery, the greater the ischemic area in case of occlusion. Ischemic…

Casting and immobilisation

…against the skin. 6. Fold the ends of the stockinette back over the edge of the cast and smooth the edges. 7. Secure with an…

Ankle-brachial index (ABI)

…after vascular surgery or endovascular intervention. Assessment of healing potential in ulcers and before deciding the level of amputation. Contraindications There are no absolute contraindications…

Sudden cardiac arrest: Case 1

…of polymorphic ventricular tachycardia (VT) occurs after the 4th beat. The VT terminates spontaneously after a few beats, and reoccurs again. ECG 2 . Ventricular flutter…

Sudden cardiac arrest: Case 2

…subsequent asystole. ECG 10 . Recurrence of supraventricular complexes (red arrows). ECG 11 . Relapse of VF and new shock. ECG 12 . Sinus rhythm. ECG 13 . Recurring…

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