Jan 29, 2025 · Ejection fraction is a measurement of the percentage of blood leaving the heart each time it squeezes. When the heart squeezes, it's called a contraction. Ejection fraction is …

Apr 16, 2025 · Gallstones range in size from as small as a grain of sand to as large as a golf ball. Some people develop just one gallstone, while others develop many gallstones at the same …

Diagnosis Atrial fibrillation (AFib) may be diagnosed when a health checkup is done for another reason. To diagnose AFib, the healthcare professional examines you and listens to your heart. …

Sep 20, 2025 · If you or your child gets symptoms that might be from iron deficiency anemia, see your healthcare professional. Don't try to diagnose or treat it on your own. And talk to a …

Dec 12, 2025 · Compared with a healthy liver (top), a fatty liver (bottom) appears bigger and discolored. Tissue samples show extra fat in fatty liver disease, while inflammation and …

Apr 11, 2025 · Pulmonary hypertension is a type of high blood pressure that affects the arteries in the lungs and the right side of the heart. In one form of pulmonary hypertension, called …

May 20, 2015 · Nearly half of all patients with heart failure have a normal ejection fraction (EF). The prevalence of this syndrome, termed heart failure with preserved ejection fraction …

Feb 10, 2023 · Overview Lyme disease is an illness caused by borrelia bacteria. Humans usually get Lyme disease from the bite of a tick carrying the bacteria. Ticks that can carry borrelia …

Dec 21, 2023 · Overview Obsessive-compulsive disorder (OCD) features a pattern of unwanted thoughts and fears known as obsessions. These obsessions lead you to do repetitive …

In a recent article published in Mayo Clinic Proceedings: Innovations, Quality & Outcomes, Rohan M. Goswami, M.D., a transplant cardiologist at Mayo Clinic in Jacksonville, Florida and one of …