194 results
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... and clinical associations ... symptoms - Headache, fever ... , abdominal pain ... #rheumatology #
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... - Differential Diagnosis ... Renal Disease, Liver ... #Algorithm #Causes ... #Hematology
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
Pregnancy (AFLP) Pathophysiology ... = nonspecific (nausea ... , vomiting, abdominal ... Antithrombin Ill • Ultrasound ... ) Differential Diagnosis
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... - Differential Diagnosis ... 90%, Abnormal Abdominal ... Ultrasound High ... #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... deficiency • Liver ... mountain spotted fever ... #Differential #Diagnosis ... #hematology #rheumatology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... - Differential Diagnosis ... Iatrogenic) • Liver ... #Algorithm #Causes ... #Hematology
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Pain Causes - Differential ... Diagnosis Framework ... did not yield a diagnosis ... Red Flags: • Fever ... #Differential #Diagnosis
Causes of Portal Hypertension According to Site of Vascular Obstruction
1) Prehepatic pre-sinusoidal: Portal vein thrombosis due
Causes of Portal ... to cirrhosis, Abdominal ... Cirrhosis, Polycystic liver ... #differential #diagnosis ... #causes #hepatology
Differential Diagnosis - Noninfectious Causes of Fever

CRITICAL DIAGNOSES:
 - Acute myocardial infarction
 - Pulmonary embolism or
Noninfectious Causes ... of Fever CRITICAL ... - Sickle cell disease ... Sarcoidosis - Crohn disease ... Noninfectious #Causes
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... accumulation of clinical ... Assessment • Clinical ... , ↓ Fibrinogen level ... treatment #summary #rheumatology