11 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... (CVID, WAS), (neurologic ... ITP, unexplained pancytopenia ... Diagnosis #Causes ... #Workup #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... DIC/TTP/HUS - Hemolytic ... Splenomegaly - CTD ... EGPA - MPA • CTD ... #Diagnosis #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cold Agglutinins (CAD ... (CAD): - Idiopathic ... Diagnosis: • hemolytic ... testing for anti-C3d ... #hematology #diagnosis
Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Hypertension - BP > 140/90 (>130/80 for DM)
Hypertensive urgency
Secondary Causes ... Diagnosis Algorithm ... syndrome • AKI/CKD ... #Secondary #Nephrology ... Diagnosis #Algorithm
Primary and Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Primary (Essential) (95%) - Onset between age
Diagnosis Algorithm ... taken at home, work ... - CKD, AKI, Glomerulonephritis ... #HTN #Cardiology ... Diagnosis #Algorithm
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
- Hx of AKI/CKD ... - Pre-renal disease ... 21% - AKI on CKD ... #Diagnosis #Algorithm ... #Causes #Differential
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Causes of Secondary ... : CKD, acute glomerulonephritis ... most pts have HTN ... Neurologic disorders ... #causes #Differential
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... Hyperkalemia: • CKD ... transfusion • HTN ... • Addison’s disease ... #diagnosis #causes
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... Hyperkalemia: • CKD ... transfusion • HTN ... • Addison’s disease ... #diagnosis #causes
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Diagnosis Algorithm ... in primary or secondary ... deficiency Work ... #Diagnosis #Algorithm ... #Causes #dermatology