12 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
with devastating differential ... presents in thrombocytopenic ... palpable, the differential ... #Diagnosis #Dermatology ... #Differential
Causes of Purpura - Differential Diagnosis
Disruption in Vascular Integrity: 
 • Trauma, Infection, Vasculitis, Drug induced
Causes of Purpura - Differential ... Integrity: • Trauma ... Primary hemostasis: Thrombocytopenia ... BrighamChiefs #Purpura #nonpalpable ... palpable #Causes #Differential
Causes of Purpura - Differential Diagnosis
Non-PalpabIe → Palpable
 • Thrombocytopenia (HIT, ITP/HUS), Coagulation defects (DIC, warfarin
Causes of Purpura - Differential ... → Palpable • Thrombocytopenia ... warfarin necrosis), Trauma ... BrighamChiefs #Purpura #nonpalpable ... palpable #Causes #Differential
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... inflammation • Thrombocytopenia ... Solar purpura - Trauma ... rheumatology #palpable #nonpalpable ... #dermatology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... Post-op surgery • Trauma ... following EtOH induced thrombocytopenia ... Thrombocytosis #Differential ... Algorithm #Causes #Hematology
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
palms/soles - Differential ... rosea #clinical #dermatology ... #photo #PhysicalExam
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... hemostasis: - Thrombocytopenia ... integrity: - Trauma ... Algorithm #Causes #dermatology ... #physicalexam
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
• Mechanical Trauma ... microangiopathy: Thrombotic thrombocytopenic ... Extravascular #Causes #differential ... #diagnosis #hematology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Arterial Thrombosis - Differential ... • Surgery • Trauma ... Heparin-induced thrombocytopenia ... pathophysiology #hematology ... #differential #
Facial Swelling - Differential Diagnosis Framework for Facial Edema

Infectious:
	• Dental abscess
	• Ludwig's angina
	• Vincent's angina
	• Cellulitis
	•
Facial Swelling - Differential ... Preeclampsia Dermatologic ... : • Ocular trauma ... Swelling #Edema #Differential ... #Diagnosis #PhysicalExam