18 results
Mediastinal Widening - Differential Diagnosis

 • Vascular: Aortic dissection, Aortic anourysm, Enlarged pulmonary arteries, Venous or
Mediastinal Widening - Differential ... arteries, Venous ... or arterial great ... Middle mediastinal, Posterior ... Mediastinal #Widening #Differential
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
of Hypoxemia- Differential ... perfusion Mismatch • Airway ... Arterial Hypertension ... Defect ** • Atrial ... Hypoxemia #Hypoxia #Differential
Cavity Mnemonic for Cavitary Pulmonary Lesions:
C: cancer 
 - bronchogenic carcinoma: most frequently squamous cell carcinoma
Mnemonic for Cavitary Pulmonary ... I: infection (bacterial ... /fungal) - pulmonary ... airway malformation ... Cavitary #Lesions #Differential
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Acute Hypoxemia - Differential ... Bronchospasm, Pulmonary ... Process - Anatomic ... pHTN, Shock • Airway ... Hypoxemia #hypoxia #Differential
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Chronic Dyspnea - Differential ... Arrhythmia • Atrial ... Tachyarrhythmia Airway ... Vessels • Pulmonary ... #Dyspnea #SOB #Differential
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
stigmata of cor pulmonale ... • Pulmonary artery ... CT) • Broncho-arterial ... Acid fast) • Pulmonary ... #differential #
Stridor - Differential Diagnosis Framework:
High-pitched, variable respiratory sound

ETIOLOGIES:
Infectious:
 • Retropharyngeal abscess
 • Acute epiglottitis
 • Peritonsillar
Stridor - Differential ... • Croup • Bacterial ... stenosis #Stridor #differential ... diagnosis #causes #pulmonary ... #airway #physicalexam
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
dilation of an airway ... tapering of the airway ... 3) Infection (Bacterial ... Bronchiectasis #pulmonary ... #diagnosis #differential
Increased Airway Pressure - Guidelines for Crises in Anaesthesia

Using these steps from start to end should
Increased Airway ... cause of increased airway ... help AND check arterial ... o Aspiration, pulmonary ... #Pressure #Differential
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Hemoptysis - Differential ... 300 mL in 24h Airway ... • Infection: Bacterial ... #Hemoptysis #Differential ... #Diagnosis #pulmonary