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MedTerm Ch 11
LOM Pathological Conditions and Clinical Procedures
| Question | Answer |
|---|---|
| Atheroma | collection of plaque that protrude into the lumen (opening) of an artery, weakening the muscle lining. |
| Atherosclerosis | deposits of yellow plaque containing cholesterol and lipids are found within the lining of the artery. |
| Hypertrophic cardiomyopathy | an increase in heart muscle weight, especially along the septum, which causes narrowing of the aortic valve. |
| Bradycardia | slower than 60 beats per minute. |
| Tachycardia | faster than 100 beats per minute. |
| Cyanosis | bluish discoloration of the skin indicates diminished oxygen content of the blood. |
| Myxoma | a benign tumor derived from connective tissue, with cells embedded in soft mucoid stromal tissue. Occur most frequently in the left atrium. |
| Hypoxia | inadequate oxygen at the cellular level. |
| Arrhythmias | abnormal heart rhythms |
| Atrioventricular block | failure of proper conduction of impulses through the AV node to the atrioventricular bundle. |
| Flutter | rapid, but regular contractions of atria or ventricles. |
| Fibrillation | rapid, random, ineffectual, and irregular contractions of the heart. |
| Congenital heart disease | abnormalities in the heart at birth. |
| Coarctation of the aorta | narrowing of the aorta. |
| Patent ductus arteriosus | small duct between the aorta and the pulmonary artery, which normally closes soon after birth, remains open. |
| Septal defects | small holes in the septa between the atria or the ventricles. |
| Congestive heart failure | the heart is unable to pump its required amount of blood. |
| Pulmonary edema | fluid seeps out of capillaries into the tiny air sacs of the lungs. |
| Coronary artery disease | disease of the arteries surrounding the heart. |
| Hypertensive heart disease | high blood pressure affecting the heart. |
| Murmur | an extra heart sound, heard between normal beats. |
| Pericarditis | inflammation of the membrane surrounding the heart. |
| Aneurysm | local widening of an arterial wall. |
| Peripheral vascular disease | blockage of blood vessels outside the heart. |
| Varicose veins | abnormally swollen and twisted veins, usually occurring in the legs. |