26 results
Chronic Diarrhea - Workup
Osmotic:
 • Consider food diary and trial avoiding certain foods or meds, Consider
hydrogen breath test ... intolerance suspected, Colonoscopy ... performed, may show melanosis ... EGD +/- ERCP +/- colonoscopy ... Workup #diagnosis #differential
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Positive Hallpike ... test (posterior ... or supine roll test ... test Méniére's ... Vertigo #Algorithm #differential
Benign Adrenal Mass - Differential Diagnosis Algorithm
Hyperplasia - Often Bilateral
 • Congenital Adrenal Hyperplasia
 • ACTH
Adrenal Mass - Differential ... Releasing Adenoma (Positive ... Dexamethasone Suppression Test ... :Renin Ratio) Positive ... AdrenalMass #Benign #Differential
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... Renal ultrasound, Tests ... sodium loading test ... conditions (supine position ... #Hypertension #Differential
Irritable Bowel Syndrome (IBS) - Diagnosis and Workup Summary
Use a positive diagnostic strategy with minimal testing.
Summary Use a positive ... cultures, but test ... risk • Routine colonoscopy ... Balloon Expulsion Test
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Breath test for ... Colonoscopy +/- ... Transplant #diagnosis #differential
Malignant Adrenal Mass - Differential Diagnosis Algorithm
Suggestive of Malignancy: Inhomogenous Density, Delay in CT Contrast Washout
Adrenal Mass - Differential ... Releasing Carcinoma (Positive ... Dexamethasone Suppression Test ... Renin Ratio) Positive ... AdrenalMass #Malignant #Differential
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
Positives on Drug Tests ... yielding false-positive ... positives on drug tests ... may cause false-positive ... #drug #tests #differential
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
symptomatology Differential ... : - ANCA-positive ... , biopsy By Tess ... Renal #Syndrome #differential
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
pathognomonic laboratory tests ... Skin lesions • Positive ... pathergy test ( ... is a skin prick test ... Behcet disease) Differential