CCC Critical Care compendium 340

Validity of Research and Measurements

OVERVIEW In general terms, validity is “the quality of being true or correct”, it refers to the strength of results and how accurately they reflect the real world. Thus ‘validity’ can have quite different meanings depending on the context! Reliability…

arcanum veritas LITFL 340

Popular Misconceptions About Evolution

Ask the average lay person what they take the word evolution to mean, and few will reply “the change in the genetic frequency of a population over time”. The lack of understanding can be further evidenced by US figures where only 45% of people hold true the statement “human beings, as we know them, developed from earlier species of animals”.

CCC Critical Care compendium 340

Sodium Valproate

Sodium Valproate: anticonvulsant; decreasing neuronal excitability or enhancing inhibition of neuronal transmission.

CCC Critical Care compendium 340

Protamine

Protamine: neutralization of heparin. Strongly basic protamine + strongly acid heparin -> forms stable salt -> removed by reticuloendothelial system.

amazonian catfish toothpick fish candiru 340

The Candirú

Having a toothpick fish (the Candiru) take a detour up your urethra doesn't really bear thinking about. Apparently the worst thing that can happen to a parasite is to end up inside the wrong host...

CCC Critical Care compendium 340

Sucralfate

Sucralfate: aluminium salt of sulphated sucrose; forms viscous paste -> adheres to ulcers via ionic binding -> acts as a barrier to the diffusion of acid, pepsin and bile salts

CCC Critical Care compendium 340

Tazocin

Tazocin = piperacillin-tazobactam; broad spectrum penicillin + beta-lactamase