This video explains how the heart, blood, and blood vessels work together to circulate oxygen, nutrients, and other vital ...

Compared with the plain area, the plateau not only has high altitude and complex and changeable terrain but also has the characteristics of low atmospheric pressure, hypoxia, cold, strong wind, ...

Transitional circulation is normally transient after birth but can vary markedly between infants. It is actually in a state of transition between fetal (in utero) and neonatal (postnatal) circulation.

Common tests to diagnose pulmonary hypertension include chest X-rays to check for enlarged ventricles or lung issues, blood tests to assess oxygen levels and organ function, and a 6-minute walk test ...

Doctors carry out pulmonary function tests to check how well a person’s lungs work and identify any issues. The tests are noninvasive and provide measurements, such as lung capacity, volume, and gas ...

During embryonic development, the right ventricle is formed from the secondary heart field into a crescent-shaped, thin-walled structure. 6 It is the most anterior heart chamber, sitting just beneath ...

A structured pediatric pulmonary rehabilitation (PR) program improved 6-minute walking test distance by approximately 230 feet and significantly enhanced strength and agility metrics. Spirometric ...

Researchers review pulmonary function testing measures that span 4 categories that can assess the respiratory muscle dysfunction that happens in diseases like spinal muscular atrophy (SMA). Muscle ...