59 results
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... and duration of symptoms ... angioedema Other symptoms ... #rheumatology # ... comparison #table
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
Classification, ... Differential Diagnosis ... - Nephrotic syndrome ... #Differential #Diagnosis ... #Table #Causes
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
- Differential Diagnosis ... • Cushing’s syndrome ... Mineralocorticoid excess syndromes ... #Differential #Diagnosis ... #Workup #table
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
- Hungry bones syndrome ... #Differential #Diagnosis ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
Effects of Strokes by Location - Anterior vs Posterior Localization

Anterior Circulation 
 - MCA 
 -
Artery #Strokes #Syndromes ... CVA #Territory #Symptoms ... Effects #Neurology #Diagnosis ... #Table #Territories ... GrepMed Recommended Text
Thrombocytopenia and Pregnancy - TTP/HUS, HELLP Syndrome and Acute Fatty Liver of Pregnancy (AFLP)
Three syndromes in
TTP/HUS, HELLP Syndrome ... Elevated Liver tests ... child * Severe cases ... AFLP #obstetrics #hematology ... #diagnosis #table
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... K), H. pylori test ... (GI symptoms/endemic ... thyroid function test ... #hematology
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
- Differential Diagnosis ... by Classification ... Subclavian steal syndrome ... #Classification ... #Table #Causes
Acute Retroviral Syndrome
Acute Retroviral Syndrome is the symptomatic presentation of acute human immunodeficiency virus infection

 •
elevation • Nausea ... 14%), in which case ... Viral hepatitis Diagnosis ... acquisition in which no diagnostic ... #HIV #diagnosis
Thrombocytopenia and Pregnancy
Three syndromes in the critically ill pregnant woman who presents with coagulation defects.
1) HELLP
Pregnancy Three syndromes ... Elevated Liver tests ... child * Severe cases ... #Diagnosis #Comparison ... #Table