10 results
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative Bradycardia ... Infectious: Legionella ... , Non-infectious ... #Causes #differential ... infectiousdiseases #table
Thrombocytopenia and Pregnancy - TTP/HUS, HELLP Syndrome and Acute Fatty Liver of Pregnancy (AFLP)
Three syndromes in
Thrombocytopenia ... of Pregnancy (AFLP ... #obstetrics #hematology ... #diagnosis #table ... #comparison
Thrombocytopenia and Pregnancy
Three syndromes in the critically ill pregnant woman who presents with coagulation defects.
1) HELLP
Thrombocytopenia ... TTPHUS #HELLP #AFLP ... Obstetrics #OBGyn #Hematology ... #Diagnosis #Comparison ... #Table
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... SLE) - Viral infections ... APLS • Acute Infectious ... mountain spotted fever ... #rheumatology #
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
initiation of smoking; Fever ... brown sputum, fever ... Travel hx, food hx; Fever ... #diagnosis #comparison ... #table #eosinophilia
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia - Differential ... Schistocytes, thrombocytopenia ... inclusions - If infection ... bartonella (oroya fever ... Algorithm #workup #hematology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Malar rash 40% - Fever ... Neurological 12% - Thrombocytopenia ... (aPL) 30-45% Differential ... Other auto-immune, Infectious ... #rheumatology
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Non-Hodgkin's Lymphoma - Comparison ... e.g., HIV), EBV infection ... - Pel-Ebstein fever ... Etiology: - Infections ... #hematology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
known as rat bite fever ... or Haverhill fever ... infectiosum • Fever ... acute rheumatic fever ... #table #differential
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
Infections 2. ... symptoms - Headache, fever ... Urticaria #diagnosis #rheumatology ... #comparison #table