29 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... fever • Drug reactions ... #Differential #Diagnosis ... #hematology #rheumatology ... #nonpalpable #dermatology
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... MAHA: TTP, HUS, DIC ... • Transfusion reactions ... #Differential #Diagnosis ... #hematology
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
you think of the causes ... or tumor cells (Table ... fibrosis as in UIP ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Extravascular Causes ... Other: Transfusion reaction ... Extravascular #Causes ... #hematology #anemia
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
eosinophilia (common ... causes are asthma ... allergy, drug reaction ... #Differential #diagnosis ... #hematology #eosinophilia
Summary of Coagulation Deficiencies
Inherited:
 • Hemophilia A - Deficiency of Factor VIII
 • Hemophilia B -
(VIII is most common ... Post-partum • Acute DIC ... Deficiencies #Summary #table ... #comparison #diagnosis ... #hematology #deficiency
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... • Most common ... sites: hip, shoulder ... #differential #diagnosis ... #causes #hematology
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... listed in the table ... patterns are also common ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... deficiency in the common ... inhibitors to the common ... #diagnosis #differential ... #hematology #coagulation
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
(FNHTR): Most common ... pain, dark urine, DIC ... Causes purpura & ... #Transfusion #diagnosis ... #management #hematology