Lab Values Flashcards Preview

Summatives > Lab Values > Flashcards

Flashcards in Lab Values Deck (45)
Loading flashcards...
1

Alkaline Phosphatase - Increased

Highest with biliary obstruction and infiltrative liver disease

Liver disease

Increased calcium deposition in bone (hyperparathyroidism)

Osteoblastic bone tumors/osteomalacia

Hyperthyroidism

2

Alkaline Phosphatase - Decreased

Malnutrition

Excess Vitamin D Ingestion

Pernicious anemia

Wilson's Disease

Hypothyroidism

3

ALT (Alanine Aminotransferase) - Increased

Liver disease or metastasis

Biliary obstruction

Pancreatitis

Liver congestion - ALT > AST with viral hepatitis

4

Amylase - Increased

Acute pancreatitis or duct obstruction

Pancreatic pseudocyst or abscess

Mumps

Renal disease

Cholecystitis

Peptic ulcer disease

Intestinal obstruction

5

Amylase - Decreased

Pancreatic destruction

Liver damage - hepatitis, cirrhosis

Normally decreased in healthy infant during 1st year

6

AST (Aspartate Aminotransferase) - Increased

Acute MI

Liver disease

Muscle trauma & injection

Pancreatitis

Intestinal injury or surgery

Burns

Cardiac catheterization

Brain damage

Renal infarction

7

AST (Aspartate Aminotransferase) - Decreased

Beriberi - Vitamin B6 deficiency

DKA

Liver disease

Chronic hemodialysis

8

Albumin - Decreased

Malnutrition

Nephrotic syndrome

Multiple Myeloma

Hodgkin disease

Leukemia or Metastatic cancer

Chronic glomerulonepthritis

Alcoholic cirrhosis

IBD

Hyperthyroidism

9

Bilirubin - Increased Total

Hepatic damage

Biliary obstruction

Hemolysis

Fasting

10

Bilirubin - Increased Direct (conjugated)

Only have to determine w/ total levels <1.2 mg/dL

Biliary obstruction

Cholestasis

11

Bilirubin - Increased Indirect (Unconjugated)

Hemolytic jaundice from any hemolytic anemia

Gilbert Syndrome - liver doesn't process bilirubin

Physiologic jaundice of the newborn

12

Bilirubin - Increased in the neonate

Erythroblastosis fetalis

Physiologic jaundice of the newborn

Hematoma/hemorrhage reabsorption

Obstructive jaundice

13

BUN (Blood Urea Nitrogen) - Increased

Renal failure

Prerenal azotemia - Decreased perfusion secondary to CHF, shock, or volume depletion

Postrenal obstruction

GI bleeding

Stress

Drugs

14

BUN - Decreased

Starvation

Liver failure

Infancy

Nephrotic syndrome

Overhydration

 

15

Increased BUN/Creatinine Ratio

Prerenal azotemia

GI Bleed

High protein diet

Sepsis/hypermetabolic state

ileal conduit

Drugs

16

Decreased BUN/Creatinine Ratio

Malnutrition

Low-protein diet

Ketoacidosis

Hemodialysis

SIADH

Drugs

17

Increased Serum Calcium

Primary hyperparathyroidism

PTH-secreting tumors

Vitamin D excess

Paget's Disease

Osteoporosis

18

Decreased Serum Calcium

Hypoparathyroidism

Insufficient vitamin D

Calcium and phosphorus ingestion

Hypomagnesemia

Chronic renal failure

Acute pancreatitis

19

Increased Creatine Kinase

Muscle damage/trauma

Troponin is marker of choice for AMI

Pericarditis with myocarditis

Rhabdomyolysis

Crush injury

Malignant hyperthermia

20

Increased Serum Creatinine

Renal failure

Gigantism

Acromegaly

Red meat ingestions

False positive in DKA

21

Increased D-Dimer

DVT

PE

MI

CVA

Sickle cell crisis

Cancer

Renal failure

CHF

22

Increased Ferritin

Iron excess

Porphyria

Sideroblastic anemia

Type 2 diabetes

Hyperthyroidism

23

Decreased Ferritin

Iron deficiency - earliest and most sensitive test before rbc morphologic change

24

Increased Glucose

Diabetes mellitus - 1&2

Cushings syndrome

Acromegaly

Pancreatitis - acute and chronic

25

Decreased Glucose

Pancreatic disorders

Hepatic disease

Endocrine disease

Malnutrition

Sepsis

26

Increased Iron

Hemochromatosis

Hemosiderosis with excessive iron intake

Excess destruction/decreased production erythrocytes

Liver necrosis

27

Decreased Iron

Iron deficiency anemia

Nephrosis

Normochromic anemia of chronic disease and infections

28

Increased Lactate Dehydrogenase

AMI

Prosthetic valve

Hepatitis/Liver disease

Pernicious/Megaloblastic anemia

PE

Hemodialysis

Renal infarction

29

Increased Lactic Acid

Lactic acidosis due to hypoxia

Hemorrhage

Shock

Sepsis

Cirrhosis

Ethanol

DKA

30

Increased Lipase

Acute/chronic pancreatitis

Pancreatic duct obstruction

Renal failure/Dialysis

Intestinal perforation

Diabetes (DKA)