13 results
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... glomerulonephritis) • Anti-GBM ... : • Behçet Syndrome ... • Cogan Syndrome ... purpura: strong sign
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Syndromes - OnePager ... Autoimmune ANCA vasculitis ... Renal Syndromes ... palpable purpura 2/2 vasculitis ... #management #treatment
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... disorder (Cardiac, pulmonary ... Lack of UMN/LMN signs ... Coxsackie, HIV, CMV, EBV ... #Differential #Diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... Differential Diagnosis ... purpura: Strong sign ... pain and GN Anti-GBM ... • Cogan syndrome
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
and Management ... Lung Abscess Pathophysiology ... CXR upright or lat ... : • Vasculitis ... Lung #Abscess #pulmonary
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... WBC >100k, + lab signs ... proliferation rate ... #TLS #diagnosis ... #management #hematology
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
- Differential Diagnosis ... Pneumocystis pneumonia (late ... Legionnaires disease • Pulmonary ... > 1.5) with a sensitivity ... tumor burden) Vasculitis
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
and Management ... survival is 93-95% Pathophysiology ... Pulmonary: dyspnea ... acute sarcoidosis Pulmonary ... #Management #Signs
Aortoenteric Fistula - Diagnosis and Management Summary
Epidemiology:
• Uncommon but life-threatening
• Most common site of bowel connection
and Management ... duodenum Clinical Signs ... that precedes a later ... Pathophysiology: ... undergo EGD - Sensitivity
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
Histoplasmosis Diagnosis ... antigen assay has a sensitivity ... Aspergillosis Pathophysiology ... shock • Mortality rate ... #Management #Infections