DIAGNOSTIC TESTING CHAPTER 34

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ABDOMINAL PARACENTESIS

A PROCEDURE TO OBTAIN A SPECIMEN OF ASCETIC FLUID FOR LABORATORY STUDY AND TO RELIEVE PRESSURE ON THE ABDOMINAL ORGANS DUE TO THE PRESENCE OF EXCESS FLUID

ANGIOGRAPHY

A DIAGNOSTIC PROCEDURE ENABLING X-RAY VISUAL EXAMINATION OF THE VASCULAR SYSTEM AFTER INJECTION OF A RADIOPAQUE DYE

ANOSCOPY

VISUAL EXAMINATION OF THE ANAL CANAL USING AN ANOSCOPE (A LIGHTED INSTRUMENT)

ARTERIAL BLOOD GASES

SPECIMEN OF ARTERIAL BLOOD THAT ASSESSES OXYGENATION, VENTILATION, AND ACID-BASE STATUS

ASCITES

A LARGE AMOUNT OF FLUID ACCUMULATION IN THE ABDOMINAL CAVITY

ASPIRATION

WITHDRAWAL OF FLUID THAT HAS ABNORMALLY COLLECTED (E.G. PLEURAL CAVITY, ABDOMINAL CAVITY) OR TO OBTAIN A SPECIMEN (E.G. CEREBROSPINAL FLUID)

BIOPSY

REMOVAL AND EXAMINATION OF TISSUE

BLOOD CHEMISTRY

A NUMBER OF TESTS PERFORMED ON BLOOD SERUM (THE LIQUID PORTION OF THE BLOOD)

BLOOD UREA NITROGEN

A MEASURE OF BLOOD LEVEL OF UREA, THE END PRODUCT OF PROTEIN METABOLISM

CANNULA

A TUBE WITH A LUMEN (CHANNEL) THAT IS INSERTED INTO A CAVITY OR DUCT AND IS OFTEN FITTED WITH A TROCAR DURING INSERTION FOR ABDOMINAL PARACENTESIS; THE PART OF THE NEEDLE THAT IS ATTACHED TO THE HUB; ALSO CALLED A SHAFT

CLEAN CATCH URINE SPECIMEN

URINE SPECIMENS FOR URINE CULTURE; ALSO CALLED MIDSTREAM URINE SPECIMEN

CLEAN VOIDED URINE SPECIMEN

URINE SPECIMENS FOR ROUTINE URINALYSIS

COLONOSCOPY

VISUAL EXAMINATION OF THE INTERIOR OF THE COLON WITH A COLONOSCOPE

COMPLETE BLOOD COUNT

SPECIMENS OF VENOUS BLOOD, INCLUDES HEMOGLOBIN AND HEMATOCRIT MEASUREMENTS, ERYTHROCYTE COUNT, LEUKOCYTE COUNT, RED BLOOD CELL INDICES, AND A DIFFERENT WHITE CELL COUNT

COMPUTED TOMOGRAPHY

A PAINLESS, NONINVASIVE X-RAY PROCEDURE THAT HAS THE UNIQUE CAPABILITY OF DISTINGUISHING MINOR DIFFERENCES IN THE DENSITY OF TISSUES

CREATININE

A NITROGENOUS WASTE THAT IS EXCRETED IN THE URINE

CYSTOSCOPE

A LIGHTED INSTRUMENT USED TO VISUALIZE THE INTERIOR OF THE URINARY BLADDER

CYSTOSCOPY

VISUAL EXAMINATION OF THE URINARY BLADDER WITH A CYSTOSCOPE

ECHOCARDIOGRAM

A NONINVASIVE TEST THAT USES ULTRASOUND TO VISUALIZE STRUCTURES OF THE HEART AND EVALUATE LEFT VENTRICULAR FUNCTION

ELECTROCARDIOGRAM

A GRAPH OF THE ELECTRIC ACTIVITY OF THE HEART

ELECTROCARDIOGRAPHY

PROVIDES A GRAPHIC RECORDING OF THE HEART'S ELECTRICAL ACTIVITY

EXPECTORATE

SPIT OUT

GUAIAC TEST

A TEST PERFORMED FOR OCCULT (HIDDEN) BLOOD IN THE STOOL TO DETECT GASTROINTESTINAL BLEEDING NOT VISIBLE TO THE EYE

HEMATOCRIT

THE PROPORTION OF RED BLOOD CELLS (ERYTHROCYTES) TO THE TOTAL BLOOD VOLUME

HEMOGLOBIN

THE RED PIGMENT IN RED BLOOD CELLS THAT CARRIES OXYGEN

HEMOGLOBIN A1C

MEASUREMENT OF BLOOD GLUCOSE THAT IS BOUND TO HEMOGLOBIN

HEMOPTYSIS

THE PRESENCE OF BLOOD IN THE SPUTUM

INTRAVENOUS PYELOGRAPHY

X-RAY FILMING OF THE KIDNEY AND URETERS AFTER INJECTION OF A RADIOPAQUE MATERIAL INTO THE VEIN

KIDNEYS URETERS BLADDER

X-RAY OF THE KIDNEYS, URETERS, AND BLADDER

LEUKOCYTE

WHITE BLOOD CELL

LUMBAR PUNCTURE

PROCEDURE IN WHICH CEREBROSPINAL FLUID IS WITHDRAWN THROUGH A NEEDLE INSERTED INTO THE SUBARACHNOID SPACE OF THE SPINAL CANAL BETWEEN HE THIRD AND FOURTH LUMBAR VERTEBRAE, OR BETWEEN THE FOURTH AND FIFTH LUMBAR VERTEBRAE; ALSO CALLED SPINAL TAP

LUNG SCAN

RECORDS THE EMISSIONS FROM RADIOISOTOPES THAT INDICATE HOW WELL GAS AND BLOOD ARE TRAVELING THROUGH THE LUNGS; ALSO KNOWN AS A V/Q (VENTILATION/PERFUSION) SCAN

MAGNETIC RESONANCE IMAGING

A NONINVASIVE DIAGNOSTIC SCANNING TECHNIQUE IN WHICH THE CLIENT IS PLACED IN A MAGNETIC FIELD

MANOMETER

A GLASS OR PLASTIC TUBE CALIBRATED IN MILLIMETERS THAT IS USED TO TAKE CEREBROSPINAL PRESSURE READINGS

MIDSTREAM URINE SPECIMEN

URINE SPECIMENS FOR URINE CULTURE; ALSO CALLED CLEAN-CATCH URINE SPECIMEN

OCCULT BLOOD

HIDDEN BLOOD

PEAK LEVEL

INDICATES THE HIGHEST CONCENTRATION OF THE DRUG IN THE BLOOD SERUM

PHLEBOTOMIST

A PERSON FROM A LABORATORY WHO PERFORMS VENIPUNCTURE, COLLECTING THE BLOOD SPECIMEN FOR THE TESTS ORDERED BY THE PRIMARY CARE PROVIDER

POLYCYTHEMIA

A CONDITION IN WHICH CLIENTS WITH CHRONIC HYPOXIA MAY DEVELOP HIGHER THAN NORMAL COUNTS OF RED BLOOD CELLS

POSITRON EMISSION TOMOGRAPHY

A NONINVASIVE RADIOLOGIC STUDY THAT INVOLVES THE INJECTION OR INHALATION OF A RADIOISOTOPE

PROCTOSCOPY

THE VIEWING OF THE RECTUM

PROCTOSIGMOIDOSCOPY

THE VIEWING OF THE RECTUM AND SIGMOID COLON

RADIOPHARMACAUTICAL

A PHARMACEUTICAL (TARGETED TO A SPECIFIC ORGAN) LABELED WITH A RADIOISOTOPE, ADMINISTERED THROUGH VARIOUS ROUTES, TO DETERMINE HYPERFUNCTION OR HYPOFUNCTION OF THE ORGAN

REAGENT

A SUBSTANCE USED TO PRODUCE A CHEMICAL REACTION TO DETECT OR MEASURE OTHER SUBSTANCES

RED BLOOD CEL COUNT

NUMBER OF RED BLOOD CELLS PER CUBIC MILLIMETER OF WHOLE BLOOD

RED BLOOD CELL INDICES

EVALUATE SIZE, WEIGHT, AND HEMOGLOBIN CONCENTRATIONS OF RED BLOOD CELLS

RETROGRADE PYELOGRAPHY

A RADIOGRAPHIC STUDY USED TO EVALUATE THE URINARY TRACT

SALIVA

THE CLEAR LIQUID SECRETED BY THE SALIVARY GLANDS IN THE MOUTH

SERUM OSMOLALITY

A MEASURE OF THE SOLUTE CONCENTRATION OF THE BLOOD

SPECIFIC GRAVITY

THE WEIGHT OR DEGREE OF CONCENTRATION OF A SUBSTANCE COMPARED WITH THAT OF AN EQUAL VOLUME OF ANOTHER, SUCH AS DISTILLED WATER, TAKEN AS A STANDARD

SPUTUM

THE MUCOUS SECRETION FROM THE LUNGS, BRONCHI, AND TRACHEA

STEATORRHEA

EXCESSIVE AMOUNT OF FAT IN THE STOOL DUE TO A MALABSORPTION SYNDROME OR PANCREATIC ENZYME DEFICIENCY

STRESS ELECTROCARDIOGRAPHY

USES ECGS TO ASSESS A CLIENT'S RESPONSE TO AN INCREASED CARDIAC WORKLOAD DURING EXERCISE

THORACENTESIS

A PROCEDURE TO REMOVE EXCESS FLUID OR AIR FROM THE PLEURAL CAVITY TO EASE BREATHING OR TO INTRODUCE CHEMOTHERAPEUTIC DRUGS INTRAPLEURALLY

TROCAR

A SHARP, POINTED INSTRUMENT

TROUGH LEVEL

REPRESENTS THE LOWEST CONCENTRATION OF A DRUG IN THE BLOOD SERUM

ULTRASONOGRAPHY

THE USE OF ULTRASOUND TO PRODUCE AN IMAGE OF AN ORGAN OR TISSUE

URINE OSMOLALITY

A MEASURE OF THE SOLUTE CONCENTRATION OF URINE, A MORE EXACT MEASUREMENT OF URINE CONCENTRATION THAN SPECIFIC GRAVITY

VENIPUNCTURE

PUNCTURE OF A VEIN FOR COLLECTION OF A BLOOD SPECIMEN OR FOR INFUSION OF THERAPEUTIC SOLUTIONS

WHITE BLOOD CELL COUNT

DETERMINES THE NUMBER OF CIRCULATING WHITE BLOOD CELLS PER CUBIC MILLIMETER OF WHOLE BLOOD

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