Search Results 51-60 of 810
Aortic aneurysm and aortic dissection Aortic aneurysm and aortic dissection An aortic aneurysm occurs when a weak spot in the wall of the aorta begins to bulge, as shown in the image on the left. An aneurysm can occur anywhere in the aorta. Having an...
Aortic valve stenosis Aortic valve stenosis Aortic valve stenosis is a thickening and narrowing of the valve between the heart's main pumping chamber and the body's main artery, called the aorta. The narrowing creates a smaller opening for blood to p...
Aortic valve regurgitation Aortic valve regurgitation In aortic valve regurgitation, the aortic valve doesn't close properly. This causes blood to flow backward from the body's main artery, called the aorta, into the lower left heart chamber, called ...
Aortic valve stenosis — or aortic stenosis — is a type of heart valve disease (valvular heart disease). The valve between the lower left heart chamber and the body's main artery (aorta) is narrowed and doesn't open fully. This reduces or ...
Appendicitis Appendicitis The appendix is a narrow, finger-shaped pouch that projects out from the colon. Appendicitis occurs when the appendix becomes inflamed and filled with pus. Appendicitis is an inflammation of the appendix. The appendix is a f...
Arteriosclerosis and atherosclerosis are sometimes used to mean the same thing, but there's a difference between the two terms. Arteriosclerosis occurs when the blood vessels that carry oxygen and nutrients from the heart to the rest of the body (art...
AVM blood flow AVM blood flow In an arteriovenous malformation (AVM), blood passes quickly from the arteries to the veins, disrupting the typical blood flow and depriving the surrounding tissues of oxygen. An arteriovenous malformation (AVM) is a tan...
Osteoarthritis vs. rheumatoid arthritis Osteoarthritis vs. rheumatoid arthritis Osteoarthritis, the most common form of arthritis, involves the wearing away of the cartilage that caps the bones in your joints. Rheumatoid arthritis is a disease in whi...
Asthma attack Asthma attack When a person has asthma, the inside walls of the airways in the lungs can narrow and swell. Also, the airway linings may make too much mucus. The result is an asthma attack. During an asthma attack, narrowed airways make ...
An asthma attack is a sudden worsening of asthma symptoms. Asthma is a long-term condition that makes breathing difficult because airways in the lungs become narrow. Symptoms of asthma attack include coughing, wheezing, tightness in the chest and dif...
¿Te gustaría hacer una donación deducible de impuestos y ser parte de una investigación de vanguardia y de una atención médica que transforma la medicina?