There are many possible causes of low blood pressure, some acute like dehydration or blood loss and others chronic, like ...

Low blood pressure, or hypotension, often goes unnoticed due to symptoms mimicking other conditions. Key signs include ...

It also describes the causes, symptoms, and diagnosis of obstructive sleep apnea and explores other possible causes of low blood oxygen levels during sleep.

Over time, the alveoli break apart, trapping large pockets of stale air inside the lungs. This causes shortness of breath, as well as low blood oxygen levels and associated symptoms.

The company said it would issue a software update to restart the technology, which was caught up in a patent dispute.

Cold agglutinin disease is a condition that causes low red blood cell (RBC) counts. Symptoms can include fatigue, weakness, or shortness of breath.