What is end-diastolic volume?
End-diastolic volume is the amount of blood that is in the ventricles before the heart contracts. Doctors use end-diastolic volume to estimate the heart's preload volume and to calculate stroke volume and ejection fraction. These different measurements indicate the health of a person's heart.
AI can predict psychosis risk in everyday language
People's language could reveal clues about their future risk of developing psychosis. Scientists concluded this after studying the subtle features of people's everyday speech.
Hundreds of current medical practices may be ineffective
"Medical reversal" is a term that defines instances in which new and improved clinical trials show that current medical practices are ineffective or misguided. New research reveals that there are currently almost 400 medical reversals. Medical reversals occur when new clinical research shows that a certain medical practice does not, in fact, work or it does more harm than good.
What to know about Asperger's syndrome and ADHD
Asperger's syndrome and ADHD are two conditions that both involve brain development. They tend to develop early in life and may cause some similar behavior traits.
What to know about lung diffusion testing
Doctors use lung diffusion tests to measure how well a person's lungs exchange oxygen and carbon dioxide. The test can detect lung damage and help diagnose lung conditions, including emphysema and pulmonary hypertension.
