13 results
Chronic Diarrhea - Workup
Osmotic:
 • Consider food diary and trial avoiding certain foods or meds, Consider
Chronic Diarrhea ... - Workup Osmotic ... hydrogen breath test ... Abdominal imaging (CT, ultrasound ... #differential #
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Diarrhea Workup ... Microbiologic-Testing ... Breath test for ... #Workup #Management ... Transplant #diagnosis #differential
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... bartonella (oroya fever ... Diagnosis #Algorithm #workup ... #hematology #testing
Diagnosing Brucellosis
Epidemiological Exposures
- Endemic Regions
- Clinical Micro Lab Technicians
- Animal/Vaccine Exposure: Vets, Slaughterhouse workers, hunters
- Unpasteurized
Constitutional: Fevers ... Genitourinary Diagnostic Tests ... CBC + Chemistry: Anemia ... Diagnosis #Criteria #Workup ... #Testing
Irritable Bowel Syndrome (IBS) - Diagnosis and Workup Summary
Use a positive diagnostic strategy with minimal testing.
Diagnosis and Workup ... strategy with minimal testing ... cultures, but test ... missing things" → fewer ... • If Diarrhea:
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... Diagnosis and Workup ... smear, HIV/HCV testing ... K), H. pylori test ... changes), high MCV anemia
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... and Screening Testing ... disease - Renal ultrasound ... Duplex Doppler ultrasound ... Causes #Screening #Workup
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Positive Coombs testing ... younger pts) Differential ... Symptoms: High fevers ... • Diagnostic Test ... Donath-Landsteiner test
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
hypomagnesemia), Eating ... nasogastric suction, Diarrhea ... , Heat stroke, Fever ... megaloblastic anemia ... Hypokalemia #Causes #differential
Lactic Acidosis - Differential Diagnosis Framework

Type A: Impaired O2 Delivery (DO2)
 • Decreased O2 Delivery: Hypotension
Lactic Acidosis - Differential ... Shock, Severe Anemia ... Pain / Exercise, Fever ... Beta-Agonists, ↑ work ... separate D-lactate testing