Stroke occurs when the blood supply to part of your brain is interrupted, depriving brain tissue of oxygen and nutrients. Stroke is a medical emergency.
Fatigue can signal many things. Here are some tips to help you decipher why you're wiped out and to regain your energy.
This whooshing sound in your heart is usually harmless, but in some cases heart murmurs can alert your doctor to specific heart conditions.
Heart palpitations are skipped, fluttering or racing heartbeats that aren't usually a symptom of a serious heart problem. Discover the causes and symptoms of this condition.
Shortness of breath can be frightening. Most of the time, a heart or lung condition is the cause.
Tests and diagnosis
Cardiac catheterization is used as a test for some heart conditions and as a procedure to treat some types of heart disease. Find out more.
Echocardiogram allows your doctor to see your heart in motion. Here's what you need to know about the test.
An electrocardiogram (ECG or EKG) is a test that provides valuable clues about your heart health. Here's what you need to know about the test.
MRI uses a magnetic field and radio waves to create detailed images of the organs and tissues within your body.
X-rays are a form of radiation that can make images of your bones and internal organs.
Dec. 14, 2011
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- Bernstein D. Acyanotic congenital heart disease: The left-to-right shunt lesions. In: Kliegman RM, et al. Nelson Textbook of Pediatrics. 19th ed. Philadelphia, Pa.: Saunders Elsevier; 2011. http://www.mdconsult.com/das/book/body/208746819-6/0/1608/0.html. Accessed Oct. 26, 2011.
- Vick GW, et al. Management and outcome of isolated atrial septal defects in children. http://www.uptodate.com/home/index.html. Accessed Oct. 26, 2011.
- Atrial septal defect. The Merck Manuals: The Merck Manual for Healthcare Professionals. http://www.merckmanuals.com/professional/print/pediatrics/congenital_cardiovascular_anomalies/atrial_septal_defect_asd.html. Accessed Oct. 26, 2011.
- Wiegers SE, et al. Management of atrial septal defects in adults. http://www.uptodate.com/home/index.html. Accessed Oct. 26, 2011.
- Wiegers SE, et al. Pathophysiology and clinical features of atrial septal defects in adults. http://www.uptodate.com/home/index.html. Accessed Oct. 26, 2011.
- Birth defects. March of Dimes. http://www.marchofdimes.com/baby/birthdefects_congenitalheart.html. Accessed Oct. 26, 2011.
- Questions and answers on the 2010 dietary guidelines advisory committee report. U.S. Department of Agriculture. http://www.cnpp.usda.gov/Publications/DietaryGuidelines/2010/DGAC/Report/QandA-DGACReport.pdf. Accessed Oct. 26, 2011.
- Grogan M (expert opinion). Mayo Clinic, Rochester, Minn. Nov. 8, 2011.