95 results
An Algorithm for the Diagnosis of Wheezing and Stridor

Stridor: Louder, constant-pitch sound over central airways
Wheezing: Musical
Stridor: Louder ... sound over central airways ... Autoimmune: GPA Lower Airway ... Peribronchial pulmonary ... diagnosis #algorithm #pulmonary
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Bronchiectasis - ... • Bronchiectasis ... stigmata of cor pulmonale ... • Pulmonary artery ... high-resolution chest CT
Causes of Acute Dyspnea - Differential Diagnosis Algorithm
Cardiovascular
 • Myocardial Infarction*
 • Cardiac Tamponade*
 • CHF
Pleural
Vascular • Pulmonary ... Embolism* Lower Airway ... AECOPD Upper Airway ... (Stridor) • Aspiration
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
Bronchiectasis - ... dilation of an airway ... CAN YOU SEE ON CT ... @PulmPEEPs #Bronchiectasis ... #pulmonary #diagnosis
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Malignancy • Bronchiectasis ... Malformation Normal CXR/CT ... Bronchitis Diffuse CT ... Abnormalities • CHF • Bronchiectasis ... • Pulmonary Vasculitis
Hemoptysis Differential Diagnosis Framework
Cardiovascular: Pulmonary embolism, Heart failure, Vasculitis, Valvular disease, Arteriovenous malformation
Pulmonary - Airway: Bronchitis,
Cardiovascular: Pulmonary ... Arteriovenous malformation Pulmonary ... - Airway: Bronchitis ... , Bronchiectasis ... Bronchovascular fistula Pulmonary
Allergic Bronchopulmonary Aspergillosis (ABPA)
WHAT IS IT?
Hypersensitivity response to Aspergillus fumigatus in the airways
 • Primarily affects
fumigatus in the airways ... can result in bronchiectasis ... CAN YOU SEE ON CT ... collapse • Central bronchiectasis ... Aspergillosis #ABPA #pulmonary
Signet Ring Sign on Chest CT
 • Prominently dilated airway compared to its accompanying pulm vessel.
Sign on Chest CT ... Prominently dilated airway ... • DDx: Bronchiectasis ... #Lung #Pulmonary ... #diagnosis #radiology
Stridor - Differential Diagnosis Framework:
High-pitched, variable respiratory sound

ETIOLOGIES:
Infectious:
 • Retropharyngeal abscess
 • Acute epiglottitis
 • Peritonsillar
Stridor - Differential ... - Inspiratory Stridor ... bronchi - Expiratory Stridor ... diagnosis #causes #pulmonary ... #airway #physicalexam
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Aspiration, Flash Pulmonary ... Bronchospasm, Pulmonary ... Intracardiac, Pulmonary ... pHTN, Shock • Airway ... Asthma, COPD, Bronchiectasis