part 4 labs and special tests

when is acid phosphatase (PAP) increased

prostatic carcinoma

carcinoma metastases to bone

hyperparathyroidism

what does significant elevation of acid phosphatase (PAP) almost always indicate

metastases of the prostate

what is the anti-DNA (anti-dsDNA) test indicative of

lupus (SLE)

when or why would we order an anti-DNA (anti-dsDNA) test

follow up to an ANA test

when would prostate specific antigen (PSA) be elevated

prostate carcinoma

why would we order a prostate specific antigen (PSA) test

suspect prostate cancer

catch early stages of prostate cancer

when is amylase elevated

acute pancreatitis

what are the most common causes of pancreatitis

alcoholism

cholelithiasis

what does an ANA (FANA) test indicate

autoimmune disease

lupus (not guaranteed)

when is ASO titre increased

acute glomerulonehpritis

rheumatic fever

what does an ASO titre test mean

pt reacted with infection of group A streptococcus

when do we get a positive CPK (CK-MB, CK-BB, CK-MM) test

following occurrence of a myocardial infarction

what does CPK stand for

creatine phosphokinase

what does a positive biopsy indicate

tumor

what does a positive colonoscopy indicate

lower GI disease

what does a CT scan evaluate

trauma

infection

vascular

neoplastic

arthritic/metabolic disorders

what does a DEXA scan evaluate

osteoporosis

what does a doppler scan indicate

arterial alterations

what does an EMG indicate

LMNL

muscle atrophy

what does an endoscopy evaluate

GI tract

what does an MRI evaluate

spinal tumor

brain

what does an NCV evaluate

LMNL

peripheral nerves

what does an ultrasound indicate

aneurysm

organs

Gallstones

Pregnancy

when are WBC’s increased

infection

malignancy

when are RBC decreased

anemia

what does an ELISA test, test for

assists in diagnosis of lyme disease

AIDS (with criteria)

what is the criteria necessary from an ELISA test to recieve an AIDs diagnosis

decreased helper T cells

presence of uncommon opportunistic infections

tumors

positive blood tests

what does a western blot test, test for

AIDS

can identify lyme disease as well

what is SGPT used primarily to indicate

liver disease

what is SGPT increased in

MI

hepatitis

what is SGOT increased in

myocardial infarction

destructive liver conditions

muscular dystrophies

what does the LE cell test, test for

lupus

may be false positive if collagen disease present

when is a lipase panel increased

acute pancreatitis

when is LDH increased

following myocardial infarction

increased by 3x

what does a glycosylated hemoglobin test, test for

evaluate efficiency of insulin to control blood sugar level over 2-3 month period

what does a blood glucose test, test for

diabetes mellitus if 2 tests in a row are over 140

when is ESR increased

multiple myeloma

temporal arteritis

collagen diseases

when are D-dimers increased

blood clotting

when is CRP increased

rheumatoid arthritis

malignancy

infections