53 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... leakage of RBC's secondary ... Thrombocytopenia: ITP • Secondary ... Kasabach-Merritt syndrome ... Gardner-Diamond syndrome
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Causes of Excessive ... Restless Legs Syndrome ... Hypoventilation Syndrome ... • Neurologic ... Parkinson's, MS)
Causes of Sudden Unexpected Death in Infancy (SUDI) - Differential Diagnosis Algorithm
Congenital Anomaly / Disorder:
 •
Causes of Sudden ... Arrhythmia • Neurologic ... • Metabolic Disorders ... Sudden Infant Death Syndrome ... ): • Autopsy negative
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... arthritis - (Reiter’s syndrome ... arthritis - with the skin ... inflammation is secondary ... #msk #Differential
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... Differential Diagnosis Secondary ... Chronic inflammatory disorders ... Myelodysplastic syndrome ... #hematology #secondary
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... suggests either secondary ... • Skin and/or ... Hyperaldosteronism • Secondary ... #nephrology #potassium
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... • Screen for secondary ... (common causes ... symptoms (eg, skin ... Differential #diagnosis #hematology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Demyelinating Syndrome ... , Seizure disorders ... autoantibodies that will cause ... Erythematosus #SLE #CNS #neurology ... #rheumatology #
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
cryoglobulinemia Associated Disorders ... levels >1g/L • Negative ... causes of secondary ... Antiphospholipid syndrome ... #hematology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... - Purpura - Skin ... Cryoglobulins Cause ... reticularis & skin ... Type III Often Secondary