12 results
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
• Additional laboratory ... Test for celiac ... Non-invasive testing ... endoscopy • Insufficient ... Gastrointestinal #Evaluation #workup
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
Algorithm for Investigation ... of Abnormal Coagulation ... Tests - Prolonged ... #APTT #Laboratory ... Hematology #Diagnosis #Workup
Iron Deficiency Anemia vs Anemia of Chronic Disease - Laboratory Testing

SUMMARY:
 - RDW, FEP, serum iron,
Chronic Disease - Laboratory ... Testing SUMMARY ... if above normal ... Ferritin-best non-invasive test ... #Testing #Comparison
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
aldosterone - Often normal ... pituitary) and deficiency ... #Evaluation #laboratory ... #diagnosis #testing ... endocrinology #workup
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
negative with IgA deficiency ... patients with IgA deficiency ... Celiac #Disease #Testing ... #Laboratory #Tests ... #Diagnosis #Workup
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis Algorithm ... , hypoglycemia Testing ... ACTH) stimulation test ... • Low or normal ... Differential #Diagnosis #Algorithm
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Adrenal Insufficiency ... Diagnosis Algorithm ... then go to stim testing ... Standard Stim test ... this indicates normal
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Differential Diagnosis Algorithm ... Clotting factor deficiency ... - Abnormal clotting ... Work Up: • ... Fecal occult blood test
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
- BAR >1.0 is abnormal ... adults • Blood tests ... Bronchoscopy Laboratory ... Sweat chloride test ... α1-antitrypsin deficiency
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
remember than the normal ... volume-based algorithm ... mineralocorticoid deficiency ... Hypothyroidism, Adrenal Insufficiency ... Cerebral Salt Wasting