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Persistent fetal circulation is a condition caused by a failure in the systemic circulation and pulmonary circulation to convert from the antenatal circulation pattern to the "normal" pattern. Infants experience a high mean arterial pulmonary artery pressure and a high afterload at the right ventricle.
[88] [12] Congestive heart failure is common in infants with the entire version of the condition. [ 88 ] [ 12 ] Fluid builds up in other parts of the body, particularly the lungs. [ 88 ] [ 12 ] Breathing difficulties may result from pulmonary congestion (dyspnea).
Postural orthostatic tachycardia syndrome (POTS) is a condition characterized by an abnormally large increase in heart rate upon sitting up or standing. [1] POTS is a disorder of the autonomic nervous system that can lead to a variety of symptoms, [10] including lightheadedness, brain fog, blurred vision, weakness, fatigue, headaches, heart palpitations, exercise intolerance, nausea ...
A congenital heart defect (CHD), also known as a congenital heart anomaly, congenital cardiovascular malformation, and congenital heart disease, is a defect in the structure of the heart or great vessels that is present at birth. [7] A congenital heart defect is classed as a cardiovascular disease. [10]
While POTS is not life-threatening, it can be “very annoying” to those who suffer from the condition, he said. “Those people can have those dizziness episodes 20, 30, 50 times a day,” von ...
Newborn heart with HRHS, note the underdeveloped left side. When the right side of the heart is more underdeveloped than the left side, this is known as hypoplastic right heart syndrome. HRHS is known for the pulmonary valve, the tricuspid valve, right ventricle, and the pulmonary artery all failing to form properly. HRHS also causes the right ...
Infant mortality rate by region Life expectancy at birth by region. The infant mortality rate correlates very strongly with the likelihood of state failure, and is among the best predictors thereof. [115] IMR is therefore also a useful indicator of a country's level of health (development), and is a component of the physical quality of life index.
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