84 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... Viral: HSV, EBV, HIV ... Nodosum #Mnemonic #Causes ... Differential #Diagnosis #Dermatology
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Metabolic: • Pyoderma ... • Bleomycin Hematologic ... ulcerative #skinrash #dermatology ... Diagnosis #Algorithm #causes
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
Metabolic: • Pyoderma ... ulcerative #skinrash #dermatology ... Diagnosis #Algorithm #causes
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
Pyoderma Gangrenosum ... vasculitis which causes ... Clinical #Photo #Dermatology ... #SkinRash #Pyoderma
Thomas' Test for Hip Flexure Contracture

Thomas' Test assesses for hip flexure contracture.
One hip is maximally flexed
Thomas' Test for Hip ... Test assesses for hip ... rises off the table ... Video via @open_michigan ... PhysicalExam #clinical #video
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Metabolic: • Pyoderma ... ulcerative #skinrash #dermatology ... Diagnosis #Algorithm #causes
Brudzinski’s Sign in Meningitis (first described in 19th century by Dr. Josef Brudzinski)

Brudzinski's sign is characterized
the knees and hips ... Passive neck flexion causes ... theory is that hip ... Video by Dr. ... Meningitis #Clinical #Video
Dropped Foot Gait - Paralysis of Dorsal Flexion of the Foot.
When trying to walk the tip
trying to walk the tip ... avoid this, he raises ... peroneal nerve, which causes ... the thigh on the hip ... PhysicalExam #clinical #video
Differential Diagnosis of Palmar and Plantar Rashes
#Diagnosis #Dermatology #Rashes #Palmar #Plantar #Palms #Soles #Differential #Causes #Table
Rashes #Diagnosis #Dermatology ... #Differential #Causes ... #Table
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... Risks factor for HIV ... peripheral blood smear, HIV ... patients if the cause ... or if a primary hematologic