41 results
Causes of Back Pain - Differential Diagnosis Algorithm
Always assess for red flags. If no red flags,
Causes of Back Pain ... constitutional symptoms ... of neoplasm • Fracture ... • Tumor/lnfection ... Unresolved Radicular Symptoms
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... vomiting, auditory symptoms ... Temporal Bone Fracture ... Imbalance, neurologic symptoms ... nystagmus - Infection
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
workup for specific symptoms ... for secondary causes ... eosinophilia (common causes ... drug reaction, infection ... Strongyloides infection
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
SLE) - Viral infections ... APLS • Acute Infectious ... Fulminans (DIC Features ... Differential #Diagnosis #hematology ... #rheumatology #
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... procedures - Infection ... pylori test (GI symptoms ... patients if the cause ... #Workup #hematology
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
e.g., HIV), EBV infection ... - B symptoms ... Etiology: - Infections ... Diagnosis of B-Symptoms ... #differential #hematology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
and radiographic features ... present in 15% of cases ... CD4 Variable • Symptoms ... disorders • Symptoms ... Demyelinating disease caused
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
old, ~10,000 new cases ... annually in US Features ... risk-stratification • Risks: infection ... Management #treatment #hematology
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... Infections 2. ... and duration of symptoms ... angioedema Other symptoms ... Urticaria #diagnosis #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
constitutional symptoms ... weeks) Can Be Caused ... By: - Chronic Infection ... - Autoimmune Rheumatologic ... Diagnosis #MSK #rheumatology