Labs and Medicines In CT

Question 1

Blood Urea Nitrogen (BUN)

Answer 1

Indicate Renal function: Normal BUN 7 to 25 mg/dl

Question 2

Creatinine

Answer 2

Indicate Renal Function: Normal 0.5 to 1.5 mg/dl

Question 3

BUN/ Creatinine Ratio

Answer 3

Normal Ration is approx 6:1, 22:1 (6-22:1)

*reference is lab specific

Question 4

Glomerular Filtration Rate (GFR)

Answer 4

an approximation of creatinine clearance of the rate by which creatinine is filtered from the blood stream.
-Takes into account the pts age, sex, and race

eGRF: great than 90 to 120ml/min indicates normal kidney function

GFR: Above 70 for Men and Above 60 for women

Question 5

prothrombin Time (PT )

Answer 5

12-15 Seconds

Measure blood coagulation

Question 6

Partial Thromboplastin Time (PTT)

Answer 6

25-35 seconds

additional lab value used to detect abnormalities in blood clotting.

Question 7

International Normalized Ratio (INR)

Answer 7

0.8-1.2

Compares a patients PT with a control sample of more accurate results.

Question 8

Platelet Count

Answer 8

140,000-440,000 UL of Blood

also used to asses the patients clotting ability

Question 9

Alanine Transaminase (ALT)

Answer 9

7-55 Units per Liter (U/L)

Elevated ALT may be indicated of hepatitis, cirrhosis, Blocked bile ducts, or liver malignancy

Question 10

Aspartate Transaminase (AST)

Answer 10

8-48 U/L

Elevated AST may be indicated of hepatitis, cirrhosis, Blocked bile ducts, or liver malignancy

Question 11

Alkaline Phosphate (ALP)

Answer 11

45-115 U/L

Elevated ALP may be indicated of hepatitis, cirrhosis, Blocked bile ducts, or liver malignancy

Question 12

Bilirubin

Answer 12

0.1-1.2 Milligrams per deciliter MG/DL

Increased Bilirubin causes jaundice

Question 13

Albumin

Answer 13

3.5-5.0 Grams per deciliter (g/dl)

Elevated albumin may indicate of chronic liver disease such as cirrhosis

Question 14

Total Protein (TP)

Answer 14

6.3-7.9 Grams per deciliter (g/dl)

Live disease may be indicated by a low TP measurement.

Question 15

Gamma- Glutamyl transferase (GGT)

Answer 15

9-48 U/L

Used to determine the cause of elevated ALP that can occur in certain liver diseases

Question 16

L-Lactate dehydrogenase (LD)

Answer 16

122-222 U/L

Elevated LD may be indicate of liver disease such as hepatitis

Question 17

D-Dimer

Answer 17

testing is utilized for the diagnosis of dep vein thrombosis of pulmonary embolism. Elevated amounts of D-dimer in the bloodstream may indicate recently degraded blood clots.

Question 18

Liver Function Test (LFT)

Answer 18

is used to screen for damage to the patients liver and consists of a panel of blood test that measure the levels of various enzymes and protein in circulating blood

Question 19

Coumadin/ Warfarin

Answer 19

an anticoagulant, used to prevent the iformation of blood clots in veins and arteries and may reduce the incidence of heart attack and stroke.

prone to excessive bleeding caused by truama.

Question 20

Metformin/ Glucophage

Answer 20

used to treat type 2 diabetes.

-pt may be instructed not to take metformin for up to 2 days after contrast study.

Question 21

Anxiolytic

Answer 21

prescribed to reduce patient anxiety during a CT scan such as:
1)Benzodiazepine:
-Diazepam (Valium,)
- alprazolam (xanax)
-clonazepam(Klonopin)
-Lorazepam(ativan))

2)Serotonin Reuptake Inhibitors:
-Paroxetine (praxil)
-sertraline (zoloft)
-fluoxetine (prozac)
Escitalopram (Lexapro)