Apr 7th, 2021 - Overview Coronavirus Open pop-up dialog box Close Coronavirus Coronavirus Coronavirus is a family of viruses that can cause respiratory illnesses such as the common cold, severe acute respiratory syndrome (SARS) and Middle East respiratory syndrome (MERS). Coronaviruses are a family of viruses that can cause illnesses such as the common cold, severe acute respiratory syndrome (SARS) and Middle ...

Mar 30th, 2021 - We're welcoming patients at Mayo Clinic See our safety precautions in response to COVID-19. Request an appointment. Congenital mitral valve anomalies Normal heart and heart with mitral valve stenosis Open pop-up dialog box Close Normal heart and heart with mitral valve stenosis Normal heart and heart with mitral valve stenosis Mitral valve stenosis, shown in the heart on the right, is a conditi...

Mar 30th, 2021 - We're welcoming patients at Mayo Clinic See our safety precautions in response to COVID-19. Request an appointment. Overview Pediatric brain tumor Open pop-up dialog box Close Pediatric brain tumor Pediatric brain tumor This shows a child's tumor that likely began in the brain cells. As the tumor grows, it creates pressure on and changes the function of surrounding brain tissue, which causes si...

Mar 30th, 2021 - Diagnosis If you develop symptoms of coronavirus disease 2019 (COVID-19) or you've been exposed to the COVID-19 virus, contact your doctor. Also let your doctor know if you've had close contact with anyone who has been diagnosed with COVID-19. Factors used to decide whether to test you for the virus that causes COVID-19 may differ depending on where you live. Depending on your location, you may...

Mar 30th, 2021 - We're welcoming patients at Mayo Clinic See our safety precautions in response to COVID-19. Request an appointment. Overview Dilated cardiomyopathy Open pop-up dialog box Close Dilated cardiomyopathy Dilated cardiomyopathy Compared with a normal heart, dilated cardiomyopathy causes the chambers of the heart to enlarge, which can lead to heart failure if left untreated. Dilated cardiomyopathy is...

Mar 30th, 2021 - We're welcoming patients at Mayo Clinic See our safety precautions in response to COVID-19. Request an appointment. Overview Congenital heart disease is one or more problems with the heart's structure that exist since birth. Congenital means that you're born with the defect. Congenital heart disease, also called congenital heart defect, can change the way blood flows through your heart. Some co...

Mar 30th, 2021 - We're welcoming patients at Mayo Clinic See our safety precautions in response to COVID-19. Request an appointment. Partial anomalous pulmonary venous return Partial anomalous pulmonary venous return Open pop-up dialog box Close Partial anomalous pulmonary venous return Partial anomalous pulmonary venous return In partial anomalous pulmonary venous return, some of the pulmonary veins carrying b...

Mar 30th, 2021 - We're welcoming patients at Mayo Clinic See our safety precautions in response to COVID-19. Request an appointment. Bicuspid aortic valve Bicuspid aortic valve with stenosis Open pop-up dialog box Close Bicuspid aortic valve with stenosis Bicuspid aortic valve with stenosis Some people are born with an aortic valve that has two cusps (bicuspid aortic valve) instead of three. This valve can func...

Mar 30th, 2021 - We're welcoming patients at Mayo Clinic See our safety precautions in response to COVID-19. Request an appointment. Overview Epilepsy is a central nervous system (neurological) disorder in which brain activity becomes abnormal, causing seizures or periods of unusual behavior, sensations, and sometimes loss of awareness. Anyone can develop epilepsy. Epilepsy affects both males and females of all...

Mar 30th, 2021 - We're welcoming patients at Mayo Clinic See our safety precautions in response to COVID-19. Request an appointment. Overview Pituitary tumor Open pop-up dialog box Close Pituitary tumor Pituitary tumor A pituitary tumor is a tumor that forms in the pituitary gland near the brain that can cause changes in hormone levels in the body. This illustration shows a smaller tumor (microadenoma). Pituita...

Mar 29th, 2021 - We're welcoming patients at Mayo Clinic See our safety precautions in response to COVID-19. Request an appointment. Overview Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly formed or don't work properly. Myelodysplastic syndromes result from something amiss in the spongy material inside your bones where blood cells are made (bone marrow). Management of m...

Mar 26th, 2021 - We're welcoming patients at Mayo Clinic See our safety precautions in response to COVID-19. Request an appointment. Overview Cardiomyopathy (kahr-dee-o-my-OP-uh-thee) is a disease of the heart muscle that makes it harder for your heart to pump blood to the rest of your body. Cardiomyopathy can lead to heart failure. The main types of cardiomyopathy include dilated, hypertrophic and restrictive ...

Mar 23rd, 2021 - Diagnosis Some children with MIS-C test negative for a current infection with the COVID-19 virus. This means they don't currently have the virus that causes COVID-19. Yet evidence indicates that many of these children were infected with the COVID-19 virus in the recent past, as shown by positive antibody test results. An antibody test with a positive result means that the child's immune system ...

Mar 23rd, 2021 - Overview Multisystem inflammatory syndrome in children (MIS-C) is a serious condition that appears to be linked to coronavirus disease 2019 (COVID-19). Most children who become infected with the COVID-19 virus have only a mild illness. But in children who go on to develop MIS-C, some organs and tissues — such as the heart, lungs, blood vessels, kidneys, digestive system, brain, skin or eyes — b...

Mar 22nd, 2021 - We're welcoming patients at Mayo Clinic See our safety precautions in response to COVID-19. Request an appointment. Overview Lung cancer Open pop-up dialog box Close Lung cancer Lung cancer Lung cancer begins in the cells of your lungs. Lung cancer is a type of cancer that begins in the lungs. Your lungs are two spongy organs in your chest that take in oxygen when you inhale and release carbon ...

Mar 16th, 2021 - We're welcoming patients at Mayo Clinic See our safety precautions in response to COVID-19. Request an appointment. Overview Spina bifida is a birth defect that occurs when the spine and spinal cord don't form properly. It's a type of neural tube defect. The neural tube is the structure in a developing embryo that eventually becomes the baby's brain, spinal cord and the tissues that enclose the...

Mar 15th, 2021 - We're welcoming patients at Mayo Clinic See our safety precautions in response to COVID-19. Request an appointment. Overview Colon cancer Open pop-up dialog box Close Colon cancer Colon cancer Colon cancer can occur in any part of the colon. An examination of your entire colon using a long, flexible tube equipped with a camera (colonoscopy) is one way to detect colon cancer and polyps. Colon ca...

Mar 5th, 2021 - We're welcoming patients at Mayo Clinic See our safety precautions in response to COVID-19. Request an appointment. Overview Esthesioneuroblastoma (es-thee-zee-o-noo-row-blas-TOE-muh) is a rare type of cancer that begins in the upper portion of the nasal cavity. The area where esthesioneuroblastoma begins is separated from the brain by a bone that contains tiny holes that allow the nerves that ...

Mar 4th, 2021 - We're welcoming patients at Mayo Clinic See our safety precautions in response to COVID-19. Request an appointment. Overview Bile duct damage Open pop-up dialog box Close Bile duct damage Bile duct damage The bile ducts carry bile from your liver to your small intestine. When bile ducts become damaged, bile can back up into the liver, causing damage to liver cells. This damage can lead to liver...

Feb 25th, 2021 - We're welcoming patients at Mayo Clinic See our safety precautions in response to COVID-19. Request an appointment. Overview Ventricular septal defect Open pop-up dialog box Close Ventricular septal defect Ventricular septal defect A ventricular septal defect is an abnormal opening (hole) in the heart that forms between the heart's lower pumping chambers (ventricles), as shown in the heart on t...