16: Diagnostic Testing For GIGU

Question 1

What is in a CBC vs CBC with differential?

Answer 1

CBC: WBC, hemoglobin, hematocrit, MCV, MCH, MCHC, RDW, RBCs

With differential: percentage and absolute counts for lymphocytes, basophils, eosinophils, monophils

Question 2

Basic metabolic panel AKA chem 7

Answer 2

1. Na
2. K
3. Cl
4. CO2
5. BUN
6. Creatinine
7. Glucose

Question 3

6 things added to a BMP to make a comprehensive metabolic panel (AKA chem 12)

Answer 3

1. Albumin
2. Alkaline phosphatase
3. AST and ALT
4. Bilirubin
5. Globulin
6. Total protein

Question 4

Two extra labs to order when looking for pancreatitis

Answer 4

Amylase, lipase

Question 5

Acute abdominal series xray

Answer 5

Single view chest XR and a flat upright XR of the abdomen for initial screening

Question 6

KUB

Answer 6

Single flat plane XR of abdomen with limited diagnostic Benefit

Question 7

Barium esophagography (swallow screen)

Answer 7

Differentiates between mechanical lesions and motility disorders, more sensitive for detecting subtle esophageal narrowing from rings, achalasia, and lesions

Question 8

What is upper endoscopy (EGD) good for?

Answer 8

Direct visualization, biopsy, and dilation of strictures

Question 9

Symptoms that may make you want to do an EGD

Answer 9

Persistent heartburn, dysphagia, odynophagia, structural abormalites on barium swallow study

Question 10

what is US best for?

Answer 10

Fluid filled structures, like gallbladder, bladder, kidneys, aorta and vessels, heart

Question 11

ERCP: endoscopic retrograde cholangiopancreatography

Answer 11

Invasive way to visualize hepatobiliary and pancreatic ducts, can diagnose and provide therapeutic techniques like removing stones

Question 12

MRCP

Answer 12

MRI on bile duct anatomy

Question 13

HIDA: hepatobiliary iminodiacetic acid scan

Answer 13

Nuclear scan that measures gallbladder function