A salt-wasting kidney tubule disorder means the tiny tubes in the kidneys cannot take salt back into the blood the way they should. Because salt pulls water, ...

Classic Bartter syndrome is a rare, lifelong, inherited kidney salt-wasting disorder. It mainly happens because a small protein channel in the kidney does not ...

Adult Bartter syndrome is a salt-wasting kidney tubule disorder that usually begins in late childhood, the teen years, or even in adult life. The kidney’s ...

Bartter disease type 3 is a rare, inherited kidney condition. The kidneys normally reabsorb salt (sodium chloride) from the urine back into the blood. In type ...

Lethal popliteal pterygium syndrome (LPPS) is a very rare genetic condition present from birth. Babies are born with tight skin bands or webs across one or ...

Bartsocas-Papas syndrome 1 (BPS1) is a very rare, inherited birth condition. It mainly affects the skin and tissues that come from the outer layer of the ...

X-linked cardioskeletal myopathy and neutropenia is a rare, inherited disease that mainly affects boys. It harms the heart muscle (cardiomyopathy), skeletal ...

TAZ-related dilated cardiomyopathy is a heart muscle disease caused by changes (mutations) in the TAFAZZIN (TAZ) gene on the X chromosome. The TAZ gene makes a ...

Cardioskeletal myopathy–neutropenia syndrome is a rare, inherited condition that mainly affects the heart muscle, skeletal (body) muscles, and white blood ...

Cardioskeletal myopathy with neutropenia and abnormal mitochondria  clinicians know this mostly as Barth syndrome, an ultra-rare, X-linked mitochondrial ...

3-methylglutaconic aciduria type 2 is a rare, inherited condition that almost always affects boys. It is also called Barth syndrome. It happens because of a ...

Barth syndrome is a rare genetic condition that mostly affects boys. It is caused by changes (mutations) in a gene called TAFAZZIN (TAZ) on the X chromosome. ...

Baroreflex syndrome—often called afferent baroreflex failure—is a rare problem in the body’s blood-pressure “autopilot.” Normally, stretch sensors in the ...

Baroreflex failure is a disorder of the body’s automatic blood-pressure control system. In healthy people, pressure sensors (baroreceptors) in the carotid ...

Baryta miners’ disease is a lung dust disease that happens after breathing barium sulfate dust for a long time, usually in barite (barytes) mines or dusty jobs ...

Barium pneumoconiosis is a lung condition that happens when a person breathes in barium dust for many months or years, usually at work. The dust is most often ...

Barium lung disease, also called baritosis, is a type of pneumoconiosis (dust-related lung disease) that happens after breathing in barium dust for a long ...

Baritosis is a harmless (“benign”) form of pneumoconiosis that happens when people breathe in tiny particles of barium sulfate dust at work (for example, when ...

Bardet-Biedl syndrome caused by mutation in the BBS9 gene (BBS9-BBS) is a rare, inherited disease that affects many organs. It happens because tiny hair-like ...

Bardet–Biedl syndrome 9 (BBS9) is a type of Bardet–Biedl syndrome (BBS) that happens when a child inherits harmful changes (pathogenic variants) in the BBS9 ...