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Ch 7, Diagnosis and Treatment; Surgery

Basic terms pertaining to medical examination, diagnosis, and treatment

AB
radiographyuse of x-rays passed through the body to make a visual record of internal structures on specially sensitized film
fluoroscopyuse of x-rays to examine deep structures by observing the shadows cast by x-rays passed through the body on a fluorescent screen
cineradiographymaking of a motion picture of successive images appearing on a fluoroscopic screen
computed tomographyuse of a computer to generate an image from a large number of x-rays passed at different angles throught the body. a 3D picture of a cross-section of the body is obtained
ultrasonographygeneration of a visual image from the echoes of high frequency sound waves traveling back from different tissues (AKA: sonography and echography)
scintigraphyproduction of an image of the distribution of radioactivity in tissues after internal administration of a radioactive substance (radionuclide), it usually specifies the part examined or the isotope used for the test, ie; bone scan
magnetic resonance imagingproduction of images through the use of a magnetic field and radiowaves eliminating the need x-rays and contrast media (AKA: MRI)
positron emissionproduction of sectional body images by administration of a natural substance (like glucose) labeled with a positron-emitting isotope, a computer interprets the rays emitted to show the internal distribution of the substance. can be used to measure metabolic activity within an organ, or blood flow, etc. (AKA: PET)
single photon emission computed tomographyscintigraphic technique which permits visualization of the cross-sectional distribution of a radioisotope (AKA: SPECT)
auscultationlistening for sounds within the body, usually within the chest or abdomen
biopsyremoval of a small amount of tissue for microscopic examination
chemotherapythe use of chemicals to treat disease
diagnosisthe process of determining the cause and nature of an illnes
endoscopean instrument for examining the inside of an organ or cavity through a body opening or small incision
excisionremoval by cutting
incisiona cut, as for surgery or the act of cutting
inspectionvisual examination of the body
ophthalmoscopean instrument for examining the interior of the eye
palpationexamining by placing the hands or fingers on the surface of the body
percussiontapping the body lightly but sharply in order to assess the condition of the underlying part by the sounds obtained
prognosisprediction of the course and outcome of a disease
radionuclidea substance that gives off radiation, used for diagnosis and treatment
signobjective evidence of disease that can be observed or tested, such as fever, rash, hypertension
stagingthe process of classifying malignant tumors for diagnosis, treatment, and prognosis
stethoscopean instrument used for listening to sounds produced within the body
sutureto unite parts by stitching them together, can also mean the thread used for suturing or the seam formed by the surgical stitching
symptomany evidence of disease, such as fainting, pain, weakness, etc
syndromea group of signs and symptons that together characterize a disease condition
therapytreatment or intervention
clubbingenlargement of the ends of the fingers and toes due to growth of the soft tissue around the nails, especially seen in heart and lung diseases
colicacute abdominal pain associated with smooth muscle spasms
cyanosisbluish discoloration of the skin due to lack of oxygen
diaphoresisprofuse sweating
malaisea feeling of discomfort or uneasiness, often indicative of infection
nocturnalpertaining to or occuring at night
pallorpaleness, lack of color
prodromea symptom indicating an approaching disease
sequelaa lasting effect of a disease
syncopea temporary loss of consciousness due to inadequate blood flow to the brain (fainting)
alpha-fetoproteina fetal protein that appears in the blood of adults with certain types of cancer
bruita sound (usually abnormal) heard in auscultation
faciesthe expression or appearance of the face
febrilepertaining to fever
nuclear medicinethe branch of medicine concerned with the use of radioactive substances for diagnosis, therapy, and research
speculuman instrument for examining a canal
cathetera thin tube that can be passed into the body; used to remove or introduce fluids into a body cavity
clysisthe intoduction of fluid into the body by means other than orally, such as into the rectum or abdominal cavity; also refers to the solution thus used
lavagethe washing out (irrigation) of a cavity
paracentesispuncture of a cavity for fluid removal
palliative treatmenttreatment designed to relieve pain and distress, but doesn't attempt a cure
prophylaxisprevention of disease
cauterydestruction of tissue by means of a caustic substance such as heat, electricity, or other agent
draindevice for allowing matter to escape from a wound or cavity. types include Penrose, T-tube, Jackson-Pratt, and Hemovac
lasera device that transforms light into a beam of intense heat and power, used for surgery and diagnosis
ligaturea tie or bandage; the process of binding or tying (also called ligation)
resectionpartial excision of a structure
staplingin surgery, the joining of tissue by using wire staples that are pushed through the tissue and then bent
bougieslender, flexible instrument for exploring and dilating tubes
cannulatube enclosing a trocar that allows escape of fluid or air after removal of the trocar
clampinstrument used to compress tissue
curettespoon-shaped instrument for removing material from the wall of a cavity or other surface
elevatorinstrument for lifting tissue or bone
forcepsinstrument for holding or extracting
Gigli's sawflexible wire saw
hemostatsmall clamp for stopping blood flow from a vessel
raspsurgical file
retractorinstrument used to maintain exposure by separating a wound and holding back organs or tissues
scalpelsurgical knife with a sharp blade
soundinstrument for exploring a cavity or canal
trocarsharp pointed instrument contained in a cannula used to puncture a cavity


Jeani Keogh

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