Clin Dx Lab 2 - Chemistry

Front 1

More stable, more of a direction reflection of kidney function, more chronic indication

Back 1

Serum creatinine

Front 2

BUN/Cr >15:1

Back 2

Pre-renal causes

Front 3

Most common electrolyte disturbance in hospitalized pts

Back 3

hyponatremia

Front 4

Hyponatremia

Back 4

Dec'd intake, inc'd loss

Front 5

Hypernatremia

Back 5

Inc'd water loss, burns, DI, hyperaldosteronism, Cushing's

Front 6

Hypokalemia

Back 6

Dietary, cellular uptake, renal loss, GI loss, skin loss (burns), alkalosis

Front 7

Hyperkalemia

Back 7

Inc'd exogenous uptake, cell lysis, infection, acidosis, dehydration

Front 8

Pseudohyperkalemia

Back 8

Hemolysis, tourniquet too tights, small bore of needle

Front 9

Hypomagnesium

Back 9

ETOH

Front 10

Hypermagneisum

Back 10

Renal dysfunction, Mg-antacids, enemas

Front 11

Hypophosphatemia

Back 11

HyperPTH, inc'd Ca, ETOH, alkalosis

Front 12

Hyperphosphatemia

Back 12

HypoPTH, renal failure, dec'd Ca, acidosis

Front 13

Chvostek's sign & Trousseaus's sign

Back 13

Hypocalcemia

Front 14

Osteoporosis

Back 14

DEXA scan

Front 15

Hypercalcemia

Back 15

HyperPTH, malignancy, Paget's disease, sarcoidosis, TB

Front 16

Serum insulin levels

Back 16

C-peptide

Front 17

Marker of glucose over past 3 months

Back 17

Hemoglobin A1C

Front 18

DM

Back 18

Hemoglobin A1C, GTT, C-peptide

Front 19

Gestational Diabetes

Back 19

O' Sullivan test

Front 20

Total protein

Back 20

Pre-albumin, albumin, globulin

Front 21

Acute process in liver

Back 21

Pre-albumin

Front 22

Dec'd A/G

Back 22

SLE & chronic liver disease

Front 23

Most sensitive test to indicate tumor metastasis to the liver

Back 23

ALP

Front 24

ALP1

Back 24

Liver

Front 25

ALP2

Back 25

Bone

Front 26

Differentiate liver from bone disease with ALP

Back 26

5-nucleotidase

Front 27

Chronic ETOH, hepatobiliary disease

Back 27

GGT

Front 28

Hepatocellular disease

Back 28

ALT

Front 29

Coronary artery occlusion or hepatocellular disease

Back 29

AST

Front 30

Inc'd AST/ALT ratio

Back 30

ETOH, cirrhosis, liver congestion, metastatic tumor of liver

Front 31

Dec'd AST/ALT ratio

Back 31

Hepatitis, mono

Front 32

Jaundice

Back 32

Bilirubin > 2.5mg/dL

Front 33

Evaluate liver function

Back 33

Bilirubin

Front 34

Hepatocellular dysfunction - hepatitis, drugs

Back 34

Indirect Bilirubin

Front 35

Extrahepatic dysfunction - gallstones, tumor blocking the bile duct, inflammation, scarring

Back 35

Direct Bilirubin

Front 36

Pancreatitis

Back 36

Amylase

Front 37

Pancreatitis

Back 37

Lipase

Front 38

Hepatic encephalopathy (also liver failure, portal HTN, GI bleed, Reye's syndrome)

Back 38

Ammonia

Front 39

Most commonly used cardiac marker

Back 39

Troponin I

Front 40

AMI

Back 40

CK-MB

Front 41

Delayed dx of MI

Back 41

LDH

Front 42

LV pressure, severity of CHF

Back 42

BNP

Front 43

Inflammatory illness, predicting coronary events/AMI

Back 43

CRP

Front 44

risk of CHD; pancreatitis, alcoholism, poorly controlled DM

Back 44

Triglycerides

Front 45

Most specific test of thyroid function

Back 45

TSH

Front 46

Dx hyperthyroidism

Back 46

T3

Front 47

Thryoid screen for newborns

Back 47

T4

Front 48

Inc'd TSH, Dec'd T3,T4

Back 48

Primary Hypothyroidism

Front 49

Dec'd TSH, Dec'd T3,T4

Back 49

Secondary Hypothyroidism

Front 50

Test for Gout or recurrent renal calculus

Back 50

Uric Acid

Front 51

Most sensitive test to determine iron deficiency anemia

Back 51

Ferritin