a hollow sound resulting from percussion over a lung cavity
asystolic
absence of a heartbeat
brushings
to obtain cell samples using a brush; this material can be sent for histologic or cytologic evaluation
congestion
swelling of blood vessels due to engorgement with blood
cortical atrophy
death of cells in the cerbral cortex [part of the brain]
Coumadin
trade name for warfarin sodium, an anticoagulant drug
CT
abbreviation for computed tomography
dialysis catheter
tubular instrument inserted into a major vein in order to filter the blood of impurities: done in patients whose kidneys have less than normal function.
dilatation
the condition of being stretched [dilated] beyond normal dimenstions
effusion
the escape of fluid into a body part or tissue
embolectomy
surgical removal of a blood clot [embolis] from a blood vessel
etiology
cause or origin of a disease or disorder
glottis
the opening between the vocal cords and the larynx
hemoptysis
the expectoration or spitting up of blood or blood-stained sputum
hydrocephalus
an increase in the volume of cerbrospinal fluid in the ventricles of the cerebrum
hypokinesia
abnormally decreased motor function or activity
infiltrate
V- to penietrate small openings of a tissue or substance; N- when present on chest x-ray it indicates pneumonia
intravenous
within or through a vein
lesion
a traumatic break in tissue or a pathologic loss of function of a part of the body
mediastinal
pertaining to the membranous partition spearating the lungs or the two plural sacs
myocardial infarction
gross necrosis of the mycardium due to lack of blood supply to the area [heart attack]