Griffith used two strains of pneumococcus ( Streptococcus pneumoniae ) bacteria which infect mice a type III S (smooth) and type II R (rough) strain.

In these animals, the left atrium still serves the purpose of collecting blood from the pulmonary veins.

Sometimes, for example if a patient coughs just when an embolus is passing, it might cross to the arterial system.

It mainly affects the aorta (the main blood vessel leaving the heart) and its branches, as well as the pulmonary arteries.

The alleged symptoms included running mucus, pneumonia, strangulation, inflammations in the upper pulmonary tract, and acute inflammatory spots in the bronchia and windpipe.

Both these changes result in increased blood pressure in the pulmonary arteries, which may cause cor pulmonale.

It happens when there's a thickening in the pulmonary veins, making the right side of the heart work overtime, and causing what I call the reverse Grinch effect.

On the morning of 11 May 2010 she was taken off artificial pulmonary ventilation, and on 16 May she was discharged from the intensive care unit and transported to a clinic for further treatment.

Historically, the central nervous system condition was called the Paul Bert effect, and the pulmonary condition the Lorrain Smith effect, after the researchers who pioneered its discovery and description in the late 19th century.

In 2001, on the territory of FBiH, 1337 work teams in 879 points provided services in the area of primary health care (general medicine, pediatrics, school medicine, pneumonic physiological protection, work medicine, gynecology, emergency assistance).