45 results
Petechiae: punctate spots that arise from spontaneous bleeding secondary to profound thrombocytopenia. 
The spots (easily visible
Petechiae: punctate ... Clinical #Photo #Dermatology ... #Rash #Petechiae ... #Thrombocytopenia ... #UCSDH
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
with devastating differential ... palpable, the differential ... likely to have thrombocytopenia ... #Diagnosis #Dermatology ... #Nonpalpable #Differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Rash - Differential ... hemostasis: - Thrombocytopenia ... Vasculitis - Collagen disorders ... #Differential # ... Algorithm #Causes #dermatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential ... History of bleeding (petechiae ... or if a primary hematologic ... #Differential # ... Causes #Workup #hematology
Thrombocytopenia - Differential Diagnosis Algorithm

Decreased production:
 • Bone marrow suppression
 • Bone marrow failure
 • Bone
Thrombocytopenia ... - Differential ... Connective tissue disorders ... #Differential # ... Diagnosis #Algorithm #hematology
Approach to Leukocytosis - Differential Diagnosis Algorithm

Features of hematologic malignancy:
 • Symptoms: B-symptoms, bruising/bleeding, fatigue/weakness, immunosuppression
Leukocytosis - Differential ... Features of hematologic ... lymphadenopathy, petechiae ... predominant immature cells ... Diagnosis #Algorithm #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... • Rheumatic disorders ... following EtOH induced thrombocytopenia ... Thrombocytosis #Differential ... Algorithm #Causes #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... inflammation • Thrombocytopenia ... Primary Causes: - Thrombocytopenia ... #Diagnosis #hematology ... #nonpalpable #dermatology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Bleeding / Bruising - Differential ... Diagnosis Algorithm Thrombocytopenia ... Sequestration Disordered ... Connective Tissue Disorders ... Algorithm #Causes #Hematology
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Neutrophils - Differential ... • Metabolic disorders ... Myeloproliferative Disorder ... pancytopenia, blast cells ... Algorithm #Causes #Hematology