20 results
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Diagnosis Algorithm ... Primary Causes ... renal failure/uremia ... #generalized #dermatology ... #causes
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Iron deficiency anemia ... #Secondary #dermatology ... #Differential # ... Diagnosis #Algorithm ... #causes
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
signs/sx of inflammation ... very remarkable w/differential ... complaints- anemia ... identifies 85 to 95% of cases ... #Temporal #Signs
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Identification of causes ... Vasculitis #dermpath #dermatology ... #semiology #signs ... #lesions #diagnosis ... pathology #lesions #differential
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Diagnosis Framework ... - Hemolytic anemia ... #Diagnosis #hematology ... #nonpalpable #dermatology
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Blurry Vision - Differential ... Diagnosis Framework ... angle-closure glaucoma • GCA ... retinopathy (sickle cell anemia ... #causes
Hemorrhagic Pericardial Effusions (Hemopericardium)- Differential Diagnosis Framework

IATROGENIC DISEASE
Secondary to invasive cardiac procedures

NONIATROGENIC
• Malignancy (e.g., metastatic spread:
Diagnosis Framework ... OTHER RARE CAUSES ... HHT • Primary systemic ... amyloidosis • Uremia ... • MCTD, Lupus, GPA
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
presentation of systemic ... life-threatening causes ... Pericarditis #Symptoms #Signs ... #Presentation #comparison ... #Table #Diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... Diagnosis Algorithm ... #Causes #dermatology ... #physicalexam
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... Diagnosis Framework ... tract, and often causes ... Diagnosis: Systemic ... purpura: strong sign