Ejection fraction: An important heart test - Mayo Clinic 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 just one of many tests your healthcare professional may use to see how your heart works The heart squeezes and relaxes When the heart squeezes, it pumps out — or ejects — blood from the two lower heart chambers
Heart failure with preserved ejection fraction (HFpEF): More than . . . 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 (HFpEF), continues to increase in the developed world, likely because of the increasing prevalence of common risk factors
Left ventricular hypertrophy - Symptoms and causes - Mayo Clinic Left ventricular hypertrophy is a thickening of the wall of the heart's main pumping chamber, called the left ventricle This thickening may increase pressure within the heart The condition can make it harder for the heart to pump blood The most common cause is high blood pressure
HIDA scan - Mayo Clinic Overview A hepatobiliary iminodiacetic acid (HIDA) scan is an imaging procedure used to diagnose problems of the liver, gallbladder and bile ducts For a HIDA scan, also known as cholescintigraphy or hepatobiliary scintigraphy, a radioactive tracer is injected into a vein in the arm The tracer travels through the bloodstream to the liver, where the bile-producing cells take it up The tracer
Heart failure - Diagnosis and treatment - Mayo Clinic Diagnosis To diagnose heart failure, your healthcare professional examines you and asks questions about your symptoms and medical history Your care professional checks to see if you have risk factors for heart failure, such as high blood pressure, coronary artery disease or diabetes
Pericardial effusion - Symptoms causes - Mayo Clinic A potential complication of pericardial effusion is cardiac tamponade (tam-pon-AYD) In this condition, extra fluid in the sac around the heart puts pressure on the heart (6) The pressure prevents the heart chambers from filling completely with blood Cardiac tamponade is a life-threatening condition It causes poor blood flow and too little oxygen for the body Emergency medical treatment is
Drugs and Supplements - Mayo Clinic Look up information about prescription drugs, over-the-counter medications, herbs, vitamins and supplements
Nuclear stress test - Mayo Clinic A nuclear stress test is one of several types of stress tests It may be done after a regular exercise stress test Sometimes it is the first stress test used If you have coronary artery disease, a nuclear stress test can help your healthcare team learn your risk of a heart attack or other heart event The test uses a positron emission technology (PET) scanner or single-photon emission
Heart failure - Symptoms and causes - Mayo Clinic Heart failure occurs when the heart muscle doesn't pump blood as well as it should Blood often backs up and causes fluid to build up in the lungs and in the legs The fluid buildup can cause shortness of breath and swelling of the legs and feet Poor blood flow may cause the skin to look blue or gray Depending on your skin color, these color changes may be harder or easier to see Some types