10 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 ... HepB, HepC Bacterial ... #Differential #Diagnosis ... #Dermatology #SkinRash
Causes of Arterial and Venous Thrombosis - Differential Diagnosis Framework

STRUCTURAL:
 - PFO: paradoxical emboli
 - Popliteal
Causes of Arterial ... - Differential Diagnosis ... artery aneurysm: Causes ... neoplasms - PNH ... #clots #hematology
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
- Differential Diagnosis ... • Bleomycin Hematologic ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... #causes
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
- Differential Diagnosis ... Vascular: • Arterial ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... #causes
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
- Differential Diagnosis ... coagulation and other causes ... - COVID-19 - PNH ... pathophysiology #hematology ... #differential #diagnosis
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... deficiencies - PNH ... #Differential #Diagnosis ... #hematology #rheumatology ... #nonpalpable #dermatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... - Differential Diagnosis ... blood test • Serology ... #Algorithm #Causes ... #dermatology #physicalexam
Low Alkaline Phosphatase - Hypophosphatasia 

Is Low Alkaline Phosphatase Of Clinical Importance?

ALP enzyme- Discovered in 1923
Low
Most cases diagnosed ... membrane into the CNS ... respiratory failure • Neurologic ... Waddling gait - Difficulty ... Phosphatase: • Other causes
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
affects the skin, neurologic ... syndrome • Coronary arteries ... tract, and often causes ... Thrombosis and arterial ... #Rheumatology
Rickettsialpox Eschar

40 homeless male from NY admitted with fever, chills, headache, myalgias. Diagnosis?
Rickettsialpox R akari classic
Diagnosis? ... Pts can recover ... rickettsia) Dx: serology ... clinical #photo #skinrash ... #dermatology