Infective endocarditis remains, still one of the few dangerous conditions with a mortality rate of about 30 per cent in spite of the advent of so many antibiotics. The major cause for this high mortality is delay in diagnosis, because the clinical features in the early stage of the disease are unimpressive and more importantly inappropriate antibiotic therapy. The latter [...]
The following points highlight the defects caused due to acyanotic congenital heart disease that is found in humans. The defects are: 1. Ventricular Septal Defect 2. Atrial Septal Defect 3. Patent Ductus Arteriosus 4. Aortico-Pulmonary Septal Defect 5. Ruptured Sinus of Valsalva 6. Fistula of a Coronary Artery. 1. Ventricular Septal Defect: Defect in the ventricular septa may present as [...]
In myocardial infarction (MI) there is necrosis of cardiac muscle due to inadequate coronary circulation. Sudden death may occur when obstruction to coronary flow is precarious. Most deaths occurring within 24 hours of the onset of attack are due to ventricular fibrillation. Anatomy of Coronary Arteries: There are three main sources of coronary arterial blood supply: (1) The anterior descending [...]