33 results
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... - Differential Diagnosis ... Chronic Chest Symptoms ... #Algorithm #Causes ... #Hematology
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
to Evaluate an Abnormal ... ) Step 3: Is a Systemic ... to identify the cause ... APTT #prolonged #diagnosis ... #hematology #evaluation
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... - Differential Diagnosis ... Destruction • Abnormal ... #Algorithm #Causes ... #Hematology
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Is visual loss caused ... efficacy of GCs Abnormal ... GiantCellArteritis #GCA #Rheumatology ... #Ophthalmology ... #Diagnosis #Algorithm
THE LIMPING OR NON-WEIGHT BEARING CHILD PATHWAY

RED FLAGS - In all cases there are specific
markers which
FLAGS - In all cases ... guidelines General - Systemic ... splenomegaly, abnormal ... cell disease Rheumatology ... Peds #Pediatrics #Diagnosis
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... (SLE) - Diagnosis ... - CRP: Usually normal ... Positive in 60-80% of cases ... Management #Summary #rheumatology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... associated with systemic ... amyloidosis #Abnormal ... #diagnosis #differential ... #hematology #coagulation
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
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms ... months to years) Systemic ... sle #comparison #table ... #rheumatology # ... diagnosis #management
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
50 in GCA, but normal ... them, but urgent rheumatology ... required +/- prompt ophthalmology ... absence of visual symptoms ... Temporal #Signs #Symptoms