9 results
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
• Additional laboratory ... tests may be needed ... chronic kidney tests ... Test for celiac ... Non-invasive testing
Iron Deficiency Anemia vs Anemia of Chronic Disease - Laboratory Testing

SUMMARY:
 - RDW, FEP, serum iron,
Chronic Disease - Laboratory ... Testing SUMMARY ... normal but poor sensitivity ... non-invasive test ... #Table #Fe
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Used Diagnostic Tests ... reliable noninvasive test ... Celiac #Disease #Testing ... #Laboratory #Tests ... Diagnosis #Workup #Table
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
ACTH stimulation test ... CRH stimulation test ... - Serum tests that ... #Evaluation #laboratory ... #diagnosis #testing
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Adrenal Insufficiency ... - Evaluation of ... then go to stim testing ... Standard Stim test ... #Stimulation #Test
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Step 1) Screening Test ... for AI (but low sensitivity ... require Cosyntropin testing ... ) Confirmation Test ... This test determines
Antibiotic Susceptibility Testing Methods
1) Kirby Bauer Disk Diffusion: disks impregnanted w/ Abx → circular gradient →
Susceptibility Testing ... Gradient diffusion (E test ... concentrations + algorithms ... #Antibiotic #Sensitivity ... #laboratory #microbiology
Celiac Disease - Diagnosis Algorithm
IgA TTG has high sensitivity and specificity of ~ 98% and is
IgA TTG has high sensitivity ... serologic marker for evaluating ... pts need further testing ... -A negative test ... -A positive test
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 ... perioperative #Risk #Evaluation