SPECT imaging technique – Imaging in medicine (11/13)

This patient is being prepared to undergo a SPECT procedure to look at myocardial profusion, that is, blood supply to the heart muscle. It’s usual to scan the patient to look at the profusion when the heart is being stressed and also when the heart is rested. There can be several days between these two image acquisitions. Stressing […]

Black Licorice: Trick or Treat

This Halloween, don’t get tricked into eating too much black licorice. This candy contains glycyrrihizin, a sweetening compound, that can cause potassium levels in the body to fall. Some people experience an abnormal heart beat, high blood pressure, swelling, lethargy, or congestive heart failure. Remember: Don’t eat large amounts of black licorice at one time. If you have […]

What is hypertension? | Circulatory system diseases | Health & Medicine | Khan Academy

Let’s talk about hypertension. And I’ll write that here, hypertension. And hypertension basically means high blood pressure. And we actually categorize it in different groups. So let’s use my blood pressure, 115 over 75 as an example. And I had drawn a small figure for you where I had blood pressure on this side and I had time […]

Study indicates lifestyle changes & medication just as effective as invasive heart procedures

NEW STUDY IN THIS MORNING’S HEALTH REPORT. DOCTORS SAY — THE FINDINGS COULD HAVE AN IMPACT ON THE HEALTH OF MILLIONS OF AMERICANS. NBC’S TOM COSTELLO HAS THE DETAILS. A MAJOR MEDICAL DEVELOPMENT… FLIPPING THE SCRIPT THIS MORNING ON A LONG-STANDING DEBATE IN CARDIOLOGY. EKG THE RESULTS OF A HIGHLY-ANTICIPATED FEDERAL STUDY… INDICATING LIFESTYLE CHANGES AND MEDICATION ARE […]

Effient is a Prescription Medication used to Lower the Chance of Heart Attack

Effient is a prescription medication used to lower the chance of heart attack, stroke, or death in people who have had a heart attack or severe chest pain and have been treated with angioplasty which is a procedure to unblock an artery. Effient belongs to a group of drugs called antiplatelet agents. These help prevent platelets from forming […]

Congestive Heart Failure: Symptoms, Causes, and Treatment Options – St. Mark’s Hospital

(Acoustic music) – [Dr. Zebrack] Congestive heart failure is a process where the body accumulates too much fluid. There are many causes of heart failure. Um, there’s two general types that we call systolic or diastolic. Systolic refers to when the heart function is weak and when the heart is enlarged. And diastolic is a general term for […]

Cor pulmonale – causes, symptoms, diagnosis, treatment, pathology

Learning medicine is hard work! Osmosis makes it easy. It takes your lectures and notes to create a personalized study plan with exclusive videos, practice questions and flashcards, and so much more. Try it free today! With cor pulmonale, cor is Latin for heart and pulmonale is Latin for lungs. Cor pulmonale, then, is a relationship between the […]

Heart disease and heart attacks | Miscellaneous | Heatlh & Medicine | Khan Academy

I think most of us know what the heart does in our body. It pumps the blood and in particular it takes in the blood from the rest of the body. That is blue over here in this diagram, because that blood does not have carried oxygen And it pumps that blood to the lungs where the blood […]

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