A hollow drum-like sound that is produced when a gas-containing cavity is tapped sharply. Tympany is heard if the chest contains free air (pneumothorax) or the abdomen is distended with gas. Also known as tympanites.
- Type I error
The statistical error (said to be “of the first kind” or alpha error) made in testing an hypothesis when it is concluded that a treatment or intervention is effective when it really is not. Sometimes referred to as a false positive.
- Type II error
The statistical error (said to be “of the second kind” or beta error) made in testing an hypothesis when it is concluded that a treatment or intervention is not effective when it really is. Sometimes referred to as a false negative.
- Typhoid fever
An acute illness characterized by fever caused by infection with the bacterium Salmonella typhi. Typhoid fever has an insidious onset, with fever, headache, constipation, malaise, chills, and muscle pain. Diarrhea is uncommon, and vomiting is not usually severe. Confusion, delirium, intestinal perforation, and death may occur in severe cases. The disease is transmitted through contaminated […]
- Typhoid Mary
A chronic carrier of the agent of typhoid fever, or the chronic carrier of the agent of any other disease. Named for Mary Mallon, an Irish cook who was found to be a healthy typhoid carrier in the US early in the 20th century.
- Typhoon supplies kit
small canister, ABC type Tube tent Pliers Tape Compass Matches in a waterproof container Aluminum foil Plastic storage containers Signal flare Paper, pencil Needles, thread Medicine dropper Shut-off wrench, to turn off household gas and water Whistle Plastic sheeting Map of the area (for locating shelters) 1 2 Next