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Patent Foramen Ovale (PFO)
The patent foramen ovale (PFO) is a small hole located in the septum – the wall between the two upper chambers of the heart. While in the womb, a fetus does not use its lungs to get oxygen-rich blood. Instead, blood comes from the mother’s placenta and is delivered through the umbilical cord. The foramen…
Learn MorePulmonary Embolism
A pulmonary embolism (PE) is a blockage in one of the pulmonary arteries in the lungs. In most cases, pulmonary embolism is caused by blood clots that travel to the lungs from deep veins in the legs or other parts of the body. The parts of lung served by each blocked artery are robbed of…
Learn MoreSarcoidosis
Sarcoidosis is a disease in which inflammation occurs in the lymph nodes, lungs, liver, eyes, skin, or other tissues. The exact cause is unknown. In those who have the disease, tiny clusters of immune cells called granulomas form in certain organs of the body. The disease can affect almost any organ, but most commonly affects…
Learn MoreSevere Asthma
In people with severe asthma, the normally-tiny muscles in the walls of the airways are larger than in non-asthmatics. The airways close down when these muscles contract. When airways close down, it becomes difficult to breathe making the chest feel tight. Coughing and wheezing are also common. Medicine is typically necessary to relax and reopen…
Learn MoreThoracic Aortic Aneurysm (TAA)
A thoracic aortic aneurysm (TAA) is an abnormal widening or ballooning of the aorta found in the chest. About 20% of cases are linked to family history. Risk factors for a thoracic aneurysm include: Changes caused by age Connective tissue disorders such as Marfan or Ehlers-Danlos syndrome Inflammation of the aorta Injury from falls or motor vehicle…
Learn MoreVaricose Veins
Varicose veins are swollen, twisted, and enlarged veins that you can see under the skin. They most often occur in the legs but can also occur in other parts of the body. Nearly 25% of adults are thought to be affected by varicose veins. Risk factors include: Older age Being female Being born with defective…
Learn MoreVasovagal Syncope
Vasovagal syncope, also known as neurocardiogenic syncope, is fainting caused by a sudden, temporary drop in blood flow to the brain. Vasovagal syncope is the most common type of syncope. It is usually caused by an intense emotional trigger like fear that reduces blood pressure and slows the heart.
Learn MoreVentricular Septal Defect (VSD)
A ventricular septal defect (VSD), a hole in the heart, is a common congenital heart defect that occurs in the septum that separates the heart’s ventricles and allows blood to pass from the left to the right side of the heart. The oxygen-rich blood then gets pumped back to the lungs instead of out to…
Learn MoreWolff-Parkinson-White Syndrome
Wolff-Parkinson-White Syndrome occurs when there an extra electrical pathway in the heart, which leads to period of tachycardia. In patients with WPW syndrome, some of the heart’s electrical signals go down an extra pathway. This may cause a very rapid heart rate called supraventricular tachycardia. Most people with WPW syndrome do not have any other…
Learn MoreElectrocardiogram (ECG or EKG)
An electrocardiogram, also called an ECG or EKG, is a test that records the electrical activity of the heart. It used to measure: Any damage to the heart How fast the heart is beating and whether it is beating normally The effects of drugs or devices used to control the heart (such as a pacemaker)…
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