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Gastroesophageal reflux disease ( GERD) or gastro-oesophageal reflux disease ( GORD) is a chronic upper gastrointestinal disease in which stomach content persistently and regularly flows up into the esophagus, resulting in symptoms and/or complications. [ 6][ 7][ 10] Symptoms include dental corrosion, dysphagia, heartburn, odynophagia ...
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 check valve, non-return valve, reflux valve, retention valve, foot valve, or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction. [1] Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. There are various ...
Rep. Steny Hoyer, D-Md., suffered a mild stroke on Sunday but has no lingering symptoms and is expected to resume his normal schedule next week, his office said on Tuesday.. The 85-year-old former ...
Usually symptoms occur with exercise or emotional stress, last less than a few minutes, and improve with rest. [4] Shortness of breath may also occur and sometimes no symptoms are present. [4] In many cases, the first sign is a heart attack. [5] Other complications include heart failure or an abnormal heartbeat. [5]
Frequency. 2% of people over 65 (developed world) [ 1] Aortic stenosis ( AS or AoS) is the narrowing of the exit of the left ventricle of the heart (where the aorta begins), such that problems result. [ 1] It may occur at the aortic valve as well as above and below this level. [ 1] It typically gets worse over time. [ 1]
Vesicoureteral reflux ( VUR ), also known as vesicoureteric reflux, is a condition in which urine flows retrograde, or backward, from the bladder into one or both ureters and then to the renal calyx or kidneys. [ 1][ 2] Urine normally travels in one direction (forward, or anterograde) from the kidneys to the bladder via the ureters, with a one ...
Nevertheless, the involvement of pericardium and heart valves are uncommon. [38] The frequency of cardiac involvement varies and is significantly influenced by race; in Japan, more than 25% of those with sarcoidosis have symptomatic cardiac involvement, whereas in the US and Europe, only about 5% of cases present with cardiac involvement. [28]