13 results
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
- Differential ... Malformation Normal ... Vasculitis Infection ... Bacterial • Viral ... #Causes #Pulmonary
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Differential Diagnosis ... resolution falling to normal ... Causes: • Still's ... Brucellosis Faget's Sign ... Brucellosis • Liver or lung
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
diseases - HIV infection ... and obstructive pattern ... neurofibromatosis, vasculitis ... Classification #Diagnosis #Differential ... #Causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... to exclude are infections ... purpura: strong sign ... - (C-ANCA) pattern ... - (P-ANCA) pattern
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... • Most common cause ... Diagnosis: • Vasculitis ... #Abscess #pulmonary ... #differential #
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
thickening - lack of normal ... the peripheral lung ... The most common cause ... Diagnosis #Radiology #Pulmonary ... Bronchiectasis #Differential
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... Most Common Causes ... Nasal polyps and signs ... mycobacteria Treatment ... #differential #
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Autoimmune ANCA vasculitis ... confirm DAH, r/o infection ... sparing of the lung ... • IF staining patterns ... diagnosis #management #treatment
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... purpura: Strong sign ... tract, and often causes ... urticaria, recent viral
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... • CT: Halo sign ... Exam: Can be normal ... #AIDS #pulmonary