19 results
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Sjögrens (15%) Skin ... Polyneuropathy, Cranial nerve ... valve lesions Abdominal ... pain (20%) Renal ... #diagnosis #rheumatology
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Pain Causes - Differential ... • Skin changes ... • Urinary symptoms ... cutaneous nerve ... #Causes #Differential
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
trigger - Direct skin ... 50% of patients Skin ... fatigue, Nausea, abdominal ... pain, diarrhea, ... 1% of patients Skin
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Purpura, ischemic skin ... - Affects the skin ... Cryoglobulinemic Vasculitis - Skin ... glomerular ischemia - Skin ... Small Vessels: Skin
Highlighted Conditions With Arteritis or Periarteritis of the Coronaries
Takayasu's arteritis:
 - Onset < 40 yrs
 -
yrs - Cranial symptoms ... Polyarteritis nodosa: - Skin ... nodules, livedo - Abdominal ... pain (men) - ... Coronaries #Arteritis #Differential
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
response to local skin ... retinal damage) • Skin ... test (this is a skin ... pain: Glucocorticoids ... #rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Purpura, ischemic skin ... commonly affects the skin ... • Affects the skin ... cmpkx deposits skin ... Vasculitis: • Skin
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Medical History: • Skin ... leptospirosis • Skin ... Rickettsioses, bacterial skin ... infection • Abdominal ... pain - Typhoid,
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
infections, bone pain ... , fever, joint pain ... , weight loss, abdominal ... CLL -> Invade Skin ... #Leukemia #Hematology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... spine L1-L5 Symptoms ... so-called ‘red flag’ symptoms ... constipation Differential ... stimulation of skin