Medical Terminology For Dummies by Beverley Henderson & Jennifer L. Dorsey

Author:Beverley Henderson & Jennifer L. Dorsey
Language: eng
Format: epub
ISBN: 9781119625513
Publisher: Wiley
Published: 2019-11-12T00:00:00+00:00

The lymphatic system has its own fair share of health issues. Lymphadenitis is an inflammation of lymph nodes. Lymphedema is an accumulation of fluid due to obstruction of lymphatic structures. And splenomegaly is an enlargement of the spleen.

Finding the Culprit: Cardiovascular and Lymphatic Diseases and Pathology

Pathology is a scary word, and for good reason. Pathology is the study of disease as it affects body tissue and function. Some conditions of the heart and lymph system are more serious and more risky than others. Although all conditions and diseases should be considered serious, these heavy hitters are ones that often require more in-depth procedures and treatments.

Why not start at — literally — the heart of the matter. Some pathological conditions affecting the heart and blood vessels include

Aneurysm, a local widening of an artery, may be due to weakness in the arterial wall or breakdown of the wall due to atherosclerosis.

Angina pectoris is an episode of chest pain due to temporary difference between the supply and demand of oxygen to the heart muscle.

Arterial hypertension refers to high blood pressure. There are two types of hypertension: essential and secondary. In essential hypertension, the cause of the increased pressure is unknown or idiopathic. In secondary hypertension, there is an associated lesion, such as nephritis, pheochromocytoma, or adenoma of the adrenal cortex, which can be responsible for the elevated blood pressure.

Bacterial endocarditis is inflammation of the inner lining of the heart caused by bacteria.

Keep the three types of cardiac arrhythmia straight. The heart block is a failure of proper conduction of impulses through the A-V node and can be overcome by implantation of an electric pacemaker. A flutter is rapid but regular contractions of the atria or ventricles, while fibrillation is rapid, random irregular contractions of the heart as high as 350+ beats per minute.

Damage to the heart valves can produce lesions called vegetations, which may break off in the bloodstream as emboli or floating clots. Vegetation is an overgrowth of bacteria that gains a foothold on an injured valve, becoming fruitful and multiplying.

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