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Alt Blood Test
An ALT blood test measures alanine transaminase (ALT), an enzyme found mainly in the liver. It is also called an SGPT test,…
Alzheimer Disease
Alzheimer disease is a progressive brain disorder that gradually affects memory, thinking, language, and the ability to manage everyday activities. It is…
Amh Blood Test
Anti-Müllerian hormone (AMH) is produced by small follicles in the ovaries. An AMH blood test measures the concentration of this hormone in…
Amoebiasis
Amoebiasis is an infection caused mainly by the Entamoeba histolytica parasite. It usually affects the intestines but can occasionally spread to other…
Anaphylaxis
Anaphylaxis is a rapid, severe allergic reaction that can affect breathing, blood pressure, the skin, digestion, and other body systems. It can…
Anemia
Anemia is a condition in which the blood does not carry enough oxygen to the body's tissues. This often happens when there…
Angina
Angina is temporary chest discomfort that happens when the heart muscle does not receive enough oxygen-rich blood. This reduced blood flow is…
Angioedema
Angioedema is sudden swelling in the deeper layers of the skin and tissues beneath it. It commonly affects the lips, eyelids, face,…
Ankle Arthroscopy
Ankle arthroscopy is a minimally invasive procedure used to look inside and treat problems in the ankle joint. During this ankle scope,…
Ankylosing Spondylitis
Ankylosing spondylitis is a chronic inflammatory form of spondylitis that mainly affects the spine and the sacroiliac joints, where the lower spine…
Anthrax
Anthrax is a serious infection caused by the bacterium Bacillus anthracis. People can be exposed when spores enter broken skin, are inhaled,…
Aortic Aneurysm
An aortic aneurysm is a weakened, bulging area in the aorta, the body's largest artery. It can develop in the chest, where…
Aortic Diseases
Aortic diseases are a group of conditions that affect the aorta, the body’s largest artery, which carries blood from the heart through…
Aortic Dissection
Aortic dissection is a life-threatening tear in the inner layer of the aorta, the large artery that carries blood away from the…
Aortic Valve Disease
Aortic valve disease occurs when the aortic valve is narrowed or does not close properly, limiting or reversing blood flow between the…
Aortic Valve Stenosis
Aortic valve stenosis is a heart valve disease in which the aortic valve becomes narrowed and does not open fully. This smaller…
Aphasia
Aphasia is a language disorder caused by damage to parts of the brain that process communication. It can affect speaking, understanding spoken…
Aplastic Anemia
Aplastic anemia is a rare bone marrow failure disorder in which the bone marrow makes too few red blood cells, white blood…
Appendicitis
Appendicitis is inflammation of the appendix, a small, finger-shaped pouch attached to the large intestine. It can affect people of any age,…
Arrhythmia
Arrhythmia is an abnormal heart rhythm caused by a problem with the heart’s electrical signals. The heartbeat may be too fast, too…
Arrhythmogenic Right Ventricular Cardiomyopathy
Arrhythmogenic right ventricular cardiomyopathy is a heart muscle disease in which abnormal scar and fatty tissue can replace healthy heart muscle, especially…
Arteriosclerosis
Arteriosclerosis is thickening, hardening, or loss of elasticity in the walls of the arteries. Atherosclerosis is a common type of arteriosclerosis caused…
Arthritis
Arthritis is a broad term for more than 100 diseases and conditions that affect the joints. It can cause pain, stiffness, swelling,…
Arthropod-Borne Viral Fever
Arthropod-borne viral fever is a group of infections caused by viruses spread through the bites of blood-feeding arthropods, such as mosquitoes and…
