pressure decrease
121CVS adjustments during postural changes — The slowed pulse rate in the horizontal posture as compared to a quicker rate in standing posture depends on different mechanisms of blood pressure regulation in the body. The sitting lying difference is due to hydrostatic influence acting mainly …
122radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …
123RUSSIA — RUSSIA, former empire in Eastern Europe; from 1918 the Russian Soviet Federative Socialist Republic (R.S.F.S.R.), from 1923 the Union of Soviet Socialist Republics (U.S.S.R.); from 1990 the Russian Federation. Until 1772 ORIGINS The penetration… …
124Speed of sound — Sound is a vibration that travels through an elastic medium as a wave. The speed of sound describes how much distance such a wave travels in a certain amount of time. In SI Units with dry air at 20 °C (68 °F), the speed of sound is 343 m/s. This… …
125Cardiotocography — Intervention A cardiotocograph recording fetal heart rate and uterine contractions ICD 9 CM …
126Stroke — For other uses, see Stroke (disambiguation). Stroke Classification and external resources CT scan slice of the brain showing a right hemispheric ischemic stroke (left side of image). ICD 10 …
127Craniosynostosis — Classification and external resources Child with premature closure (craniosynostosis) of the lambdoid suture. Notice the swelling on the right side of the head ICD 10 …
128Oxygen-haemoglobin dissociation curve — The oxygen haemoglobin dissociation curve plots the proportion of hemoglobin in its saturated form on the vertical axis against the prevailing oxygen tension on the horizontal axis. The oxyhemoglobin dissociation curve is an important tool for… …
