Introduction Postural orthostatic tachycardia syndrome (POTS) is a condition that affects the autonomic nervous system, causing an abnormal increase in heart rate when moving from lying down to standing up. POTS can lead to a range of symptoms, including dizziness,…
Introduction High blood pressure, also known as hypertension, is a common condition in which the force of blood against the walls of the arteries is consistently too high. Over time, untreated high blood pressure can damage blood vessels and increase…
Introduction Chest pain is a common symptom that can have many different causes, ranging from mild and harmless to serious and life-threatening. It may feel sharp, dull, burning, or tight, and can be associated with other symptoms such as shortness…
Introduction Lymphedema is a condition characterized by swelling, usually in the arms or legs, caused by a buildup of lymph fluid. This occurs when the lymphatic system, which helps remove waste and fight infection, is damaged or blocked. Lymphedema can…
Introduction Swollen lymph nodes, also known as lymphadenopathy, occur when the lymph nodes become enlarged, usually in response to infection, inflammation, or, less commonly, more serious conditions. Swollen lymph nodes are a common sign that the body’s immune system is…
Introduction Lymph nodes are small, bean-shaped structures that are part of the body’s lymphatic system. They play a crucial role in the immune system by filtering lymph fluid and trapping bacteria, viruses, and other harmful substances. Lymph nodes are found…
Introduction Myocarditis is an inflammation of the heart muscle (myocardium) that can affect the heart’s ability to pump blood and cause abnormal heart rhythms. The condition can range from mild to severe and, in some cases, may lead to long-term…
Introduction Pericarditis is an inflammation of the pericardium, the thin, protective sac surrounding the heart. This condition can cause sharp chest pain and other symptoms, and while it is often mild and resolves with treatment, it can sometimes lead to…
Introduction Inflammations and infections of the heart in children can affect the heart muscle (myocarditis), the lining around the heart (pericarditis), or the inner lining and valves (endocarditis). These conditions are rare but can be serious, sometimes leading to long-term…
Introduction Arrhythmia refers to any abnormality in the rhythm or rate of the heartbeat. In children, arrhythmias can range from harmless irregularities to serious conditions that require medical attention. While many arrhythmias in children are benign and temporary, some may…
