49 results
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
iron deficiency if ... Additional laboratory tests ... chronic kidney tests ... Test for celiac ... Gastrointestinal #Evaluation #workup
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
iodine scan – get if ... contraindicated if ... Check pregnancy test ... affects diagnostic workup ... Diagnosis #Algorithm #Workup
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Used Diagnostic Tests ... reliable noninvasive test ... first-level screening test ... May be negative if ... #Diagnosis #Workup
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... antibody (ANA) test ... ; if positive, test ... • ANA and RF (if ... Arthritis #laboratory #workup
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... K), H. pylori test ... thyroid function test ... some patients if ... Diagnosis #Causes #Workup
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
ACTH stimulation test ... - If the secondary ... may be depressed if ... administration of CRH; if ... endocrinology #workup
Irritable Bowel Syndrome (IBS) - Diagnosis and Workup Summary
Use a positive diagnostic strategy with minimal testing.
Diagnosis and Workup ... Rome IV Criteria ... cultures, but test ... Balloon Expulsion Test ... Syndrome #Diagnosis #workup
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Renal ultrasound, Tests ... sodium loading test ... aldosterone) or IV ... with indwelling IV ... Causes #Screening #Workup
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
reabsorption) Workup ... , tourniquet / IVF ... Cortisol+ACTH stim test ... hypervolemia) - IVF ... - IVF as
Chronic Diarrhea - Workup
Osmotic:
 • Consider food diary and trial avoiding certain foods or meds, Consider
Chronic Diarrhea - Workup ... hydrogen breath test ... unnecessary, but if ... (particularly if ... Chronic #Diarrhea #Workup