45 results
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Causes of Hemoptysis ... - Differential ... Malformation Normal CXR ... /CT • Hematemesis ... Vasculitis Infection
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
sweats, chills (infection ... • Hemoptysis ... ) • Abnormal CXR ... refer + order CT ... Diagnosis #Algorithm #causes
Hemoptysis Differential Diagnosis Framework
Cardiovascular: Pulmonary embolism, Heart failure, Vasculitis, Valvular disease, Arteriovenous malformation
Pulmonary - Airway: Bronchitis,
Hemoptysis Differential ... Vasculitis, Valvular disease ... Parenchyma: Pneumonia, Lung ... Tuberculosis, Fungal infection ... #Differential #
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
Hemoptysis - Differential ... Parenchyma: • Infection ... westermani, PNA, Lung ... syndrome • Valvular Disease ... #causes
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Fever, Hematuria, Hemoptysis ... symptomatology Differential ... allopurinol), Infection ... , anti-CCP • CXR ... resolution chest CT
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
pulmonary infection ... with underlying lung ... disease. 15% mortality ... It can also cause ... Mycobacterium #diagnosis #differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... • Most common cause ... ) • CXR upright ... seen • Chest CT ... #Abscess #pulmonary
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Hemoptysis - Differential ... in 24h Airway disease ... Parenchyma: • Infection ... Diagnosis #pulmonary ... #causes
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... failure, COPD, Lung ... +/- High res CT ... Diseases Fellows ... diagnosis #evaluation #differential
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... • Dyspnea • Hemoptysis ... Most Common Causes ... high-resolution chest CT ... #differential #