40 results
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Hypertension - Differential ... • Valvular Lung ... Hypoxemia: • COPD ... Sleep-Disordered Breathing
Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Apical, Posterior, Anterior ... Superior, Medial, Anterior ... radiopaedia.org/cases ... #CT #CTChest #pulmonary ... #clinical #radiology
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
Tachypnea - Differential ... 20/min, shallow breathing ... > 20/min, deep breathing ... Pulmonary Causes ... • Asthma • COPD
Hoover's Sign

Hoover’s sign refers to inward movement of the lower rib cage during inspiration- instead of
hyperexpansion of the lungs ... paradoxically pulling the inferior ... Hoovers #Sign #Pulmonary ... #Video #Clinical ... #Breathing #Paradoxical
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Causes of spinal ... • Extrinsic Causes ... deficiency - Syrinx ... patients with a long ... syndromes #lesions #differential
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Epiglottitis • Vocal cord ... pneumonia • Water: pulmonary ... atelectasis • Lung ... 12 / shallow breathing ... Hypoxemia #Hypoxia #differential
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
including restrictive lung ... has several causes ... In lung disease ... bronchitis, and COPD ... #Pulmonary #Abnormalities
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... Disease (Asthma, COPD ... • Interstitial lung ... Diagnosis #Algorithm #Causes
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... : Interstitial lung ... Pneumonia, asthma, COPD ... bypassing the lungs ... Failure #hypoxia #Differential
Paradoxical Respirations in Diaphragmatic Paralysis

Note the paradoxical movement of the abdomen during inspiration. The accessory inspiratory
This change causes ... direction and the anterior ... #Respirations #Breathing ... #Diaphragm #Clinical ... #PhysicalExam #Pulmonary