17 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... palms/soles - Differential ... rosea #clinical #dermatology ... #photo #PhysicalExam
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
- Differential ... Cellulitis: Deep skin ... avoid unnecessary antibiotics ... inappropriate antibiotic ... #dermatology #skin
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... deficiencies - PNH ... Vasculopathy #Purpura #Differential ... #Diagnosis #hematology
Causes of Antibiotic Failure - Differential Diagnosis Framework
Diagnosis:
 • Non-Infectious: Malignant, Autoimmune, Drug-related (NMS, serotonin syndrome,
Causes of Antibiotic ... Failure - Differential ... Tissue penetration (CNS ... Difficile, COVID ... #Failure #Differential
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... hemoglobinuria (PNH ... Drugs (Beta lactam antibiotics ... #differential # ... diagnosis #hematology
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
dogs & latter can cause ... the organism is difficult ... or clindamycin Antibiotic ... #Rash #dermatology ... #clinical #photo
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Arterial Thrombosis - Differential ... Testosterone - Coumadin skin ... coagulation and other causes ... pathophysiology #hematology ... #differential #
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... blisters on the skin ... Pale and sweaty skin ... - Athlete - difficulty ... #diagnosis #causes
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... cryoglobulins • Skin ... Diagnosis #Algorithm #Causes ... #dermatology #physicalexam
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
bone, joint, and skin ... blisters containing pus ... • Pustular skin ... Rule out other causes ... syndrome with acne: antibiotics