85 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... family history - Medications ... PLT in selected cases ... (CVID, WAS), (neurologic ... Differential #Diagnosis #Causes
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Causes of Excessive ... Restless Legs Syndrome ... • Neurologic ... Anxiety Other • Medications ... Diagnosis #Algorithm #Causes
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
, or other causes ... CAUSES OF NON-PALPABLE ... Quantity: • Primary Causes ... • Secondary Causes ... CAUSES OF PALPABLE
Creatine Kinase - Causes of Elevated CK Levels
Acute CK Elevation (Pain > Weakness):
 • RHABDOMYOLYSIS
Creatine Kinase - Causes ... alcohol - Medications ... COVID19, CMV/EBV, HIV ... immobility • Critical ... Subacute to Chronic Causes
Causes of Adrenal Insufficiency - Differential Diagnosis Algorithm
Autoimmune:
 • Isolated
 • Polyglandular autoimmune syndrome 1
 •
Causes of Adrenal ... • Fungal • HIV ... Thrombophilia • Critical ... Radiation • Medication ... Diagnosis #Algorithm #Causes
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
arteritis, Cogan's Syndrome ... (SPA) • Other Causes ... Cancer, Histiocytic disorders ... common bacterial causes ... Mycobacterial Causes
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... : • Clinical triad ... infection, HIV infection ... classification #rheumatology
Priapism 

Secondary Causes:
Medications- intracavernosal injections, anticoagulants, PDE5 inhibitors, alpha blockers, methylphenidate, cocaine
Any hyperviscosity syndrome (SCD, leukemia,
Secondary Causes ... : Medications- ... hyperviscosity syndrome ... Priapism #Diagnosis #Management ... #Urology #Differential
Etiologies of Peripheral Neuropathy
 • Metabolic / Nutritional: DiabetesB12 deficiency, Uremia/ESRD, Hypothyroidism
 • Medication-induced: ART, Antibiotics,
Hypothyroidism • Medication-induced ... • Infectious: HIV ... Paraprotein-associated (POEMS syndrome ... differential #diagnosis #causes ... #neurology
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
Causes of Hypomagnesemia ... ketoacidosis - IV ... tacrolimus) Endocrine disorders ... Hypomagnesemia #Causes ... #differential #medications