Cardiovascular Disorders
Hypertension p671
• Ateriosclerosis• “silent killer”• Heart muscle can
die due to lack of Oxygen
• Increases chances of CVA: cerebral vascular accident
Coronary Artery Disease• Accumulation of
plaque buildup on walls of arteries.
• arteriosclerosis
Heart Attack• Mycardial infarction• Caused by an
obstructured vessel in heart thrombus, embolus
• deprivation of oxygen (normally…body releases hypoxia induced factor which stimulates angiogenesis)
• If angiogenesis isn’t successful…part of heart dies
Heart Attack Animation
• http://www.healthcentral.com/cholesterol/understanding-cholesterol-13-115.html
• http://www.medindia.net/animation/heart_attack.asp
Pericarditis
• Inflammation of pericardial sac due to viral or bacterial infection
• Chest pain, interferes with heart movements
Mitral Valve Prolapse• One or both cusps of mitral
valve stretches and bulges into left atrium during ventricular contraction
• Blood can regurgitate into the left atrium
• Palpitations, fatigue, anxiety, chest pains
• associated with arrhythmias (atrial fibrillation) that may progress
Familial Amyloidosis
• Amyloid protein deposits into heart
• Causes chest pain, failure of cardiac muscles, disturbance of heart rhythm
• the deposits physically disrupt tissue architecture; some cases lead to cell death
• WHY? calcium ion concentration imbalances
• Ultrasound: echocardiogram can detect
Transposition of Great Arteries