3598 results
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Primary Amenorrhea - Differential ... Swyer's Syndrome ... • Vanishing Testes ... Testes Determining ... Primary #Amenorrhea #Differential
Priapism 

Secondary Causes:
Medications- intracavernosal injections, anticoagulants, PDE5 inhibitors, alpha blockers, methylphenidate, cocaine
Any hyperviscosity syndrome (SCD, leukemia,
hyperviscosity syndrome ... that won’t be tested ... Management #Urology #Differential
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal Syndrome ... symptomatology Differential ... Pulmonary Renal Syndromes ... , biopsy By Tess ... #differential #
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... Renal ultrasound, Tests ... • Cushing’s syndrome ... Mineralocorticoid excess syndromes ... #Hypertension #Differential
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Volume (MCV) - Differential ... Myelodysplastic Syndromes ... Liver Function Tests ... Liver Function Tests ... #elevatedMCV #Differential
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
- Generalized Differential ... Liver Function Tests ... Hyperthyroidism CBC & Differential ... Myelodisplastic syndrome ... #dermatology #Differential
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Drug-associated, PCH, Evans Syndrome ... Laboratory Tests ... #Hemolysis #Differential
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Cauda Equina Syndrome ... constipation Differential ... • Provocative Tests ... absent anal wink test ... #differential #
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Behçet's Syndrome ... pathognomonic laboratory tests ... Positive pathergy test ... is a skin prick test ... Behcet disease) Differential
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
liver function tests ... abnormal liver blood tests ... of liver blood tests ... presence of metabolic syndrome ... Liver #Enzymes #Differential