71 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Thrombocytopenia • Platelet defects ... PURPURA: Platelet Defects ... syndrome Coagulation Defects ... Willebrand disease (VWD ... Differential #Diagnosis #hematology
Approach to Von Willebrand disease (VWD)

By Matthew Ho, MD PhD @MatthewHoMD

#VWD #Von #Willebrand #VonWillebrand #disease #hematology
Willebrand disease (VWD ... MatthewHoMD #VWD ... VonWillebrand #disease #hematology ... #algorithm #diagnosis
A System for Vasculitides 

#Diagnosis #IM #Rheum #Vasculitis #Small #Medium #Large #Vessel #Size #Classification #ANCA #Differential
A System for Vasculitides ... Diagnosis #IM #Rheum #Vasculitis ... #Vessel #Size #Classification ... #Differential #Algorithm
Vasculitis - Break down based on vessel size 
Distribution of vessel involvement by large vessel vasculitis,
Vasculitis - Break ... can affect any ... , which can affect ... #Diagnosis #Rheumatology ... Medium #Large #Classification
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Differential Diagnosis Algorithm ... - Quantitative Defect ... - Qualitative Defect ... • Steroids • Vasculitis ... #Causes #Hematology
Inherited Qualitative Platelet Defects
Bernard-Soulier Syndrome
 • Defect of adhesion due to a lack of GP Ib/IX/V
Qualitative Platelet Defects ... of GP Ib/IX/V [vWF ... Thrombasthenia • Defect ... α-granules (contains vWF ... differential #diagnosis #hematology
Platelet disorders and Aggregometry
Glanzmann Thrombasthenia
 • Defective aggregation to all agonists except ristocetin
 • Normal platelet,
also be seen in vWD ... differentiate vWD ... BS by measuring vWF ... with qualitative defects ... Platelet #disorders #hematology
Cardiac Murmurs and Maneuvers

An algorithm demonstrating the effect of various maneuvers on systolic murmurs. 
TR, tricuspid
Maneuvers An algorithm ... demonstrating the effect ... aortic stenosis; VSD ... ventricular septal defect ... The effect of squatting
Break down Vasculitis based on vessel size
#Diagnosis #Rheumatology #Differential #Vasculitis #VesselSize #Small #Medium #Large #Classification
Break down Vasculitis ... size #Diagnosis #Rheumatology ... #Differential #Vasculitis ... Medium #Large #Classification
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Differential Diagnosis Algorithm ... Non malignant hematologic ... ITP • Rebound effect ... Differential #Diagnosis #Algorithm ... #Causes #Hematology