7 results
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Gastrointestinal Evaluation ... • Additional laboratory ... tests may be needed ... Non-invasive testing ... Gastrointestinal #Evaluation
Chronic Diarrhea - Workup
Osmotic:
 • Consider food diary and trial avoiding certain foods or meds, Consider
Stool osmotic gap ... hydrogen breath test ... if performed, may ... fat/day diet), Endoscopy ... #evaluation
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
celiac disease) - May ... antibodies - May ... treatment - Requires endoscopy ... Celiac #Disease #Testing ... #Laboratory #Tests
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
algorithm. ... indicate the initial evaluation ... history alongside evaluation ... decision for repeat testing ... *Abnormal USS may
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
ACTH stimulation test ... normal, although it may ... Insufficiency #Evaluation ... #laboratory #diagnosis ... #testing #endocrinology
Antibiotic Susceptibility Testing Methods
1) Kirby Bauer Disk Diffusion: disks impregnanted w/ Abx → circular gradient →
Susceptibility Testing ... Gradient diffusion (E test ... May use abx dilutions ... concentrations + algorithms ... #laboratory #microbiology
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Preoperative Risk Evaluation ... event, follow ACC algorithm ... determine if stress test ... surgery Stress Testing ... may inform risk