30 results
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
pneumonia • Water: pulmonary ... pneumothorax, COPD ... asthma • Pleural disease ... 12 / shallow breathing ... Hypoventilation: • CNS
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Mismatch • Airway Disease ... (Asthma, COPD) ... • Parenchymal Disease ... Hypoventilation Syndrome
Tracheal Descent Sign

Paradoxical inward movement of the trachea during inspiration. Seen in this COPD patient in
Seen in this COPD ... clinical #video #physicalexam ... #respiratory #pulmonary ... #breathing #Trachea ... #COPD
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
consider infarction, hypoxia ... hyperventilation syndrome—a ... bronchitis, and COPD ... #Pulmonary #Abnormalities ... Abnormal #Diagnosis #PhysicalExam
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Diagnosis Algorithm Pulmonary ... and/or Hypoxemia ... : • COPD • Interstitial ... Sleep-Disordered Breathing
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS ... of Respiratory ... Hypoventilation Syndrome ... Hepatopulmonary Syndrome ... #Hypoxia #hypoxemia
COPD Physical Exam Likelihood Ratios
Barrel Chest - LR 1.5
Pursed Lip Breathing - LR 2.7
Reduced breath sounds
COPD Physical Exam ... 1.5 Pursed Lip Breathing ... LR 11.8 Early inspiratory ... #PhysicalExam # ... LRs #diagnosis #pulmonary
Hoover's Sign

Hoover’s sign refers to inward movement of the lower rib cage during inspiration- instead of
associated with COPD ... Hoovers #Sign #Pulmonary ... #COPD #PhysicalExam ... Video #Clinical #Breathing ... #Paradoxical #Respiratory
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Interstitial lung diseases ... direction leads to hypoxemia ... Pneumonia, asthma, COPD ... hepatopulmonary syndrome ... #Failure #hypoxia
Consensus diagnostic criteria for asthma-COPD overlap syndrome (ACOS) in patients with airflow limitation. COPD=chronic obstructive pulmonary
criteria for asthma-COPD ... overlap syndrome ... COPD=chronic obstructive ... pulmonary disease ... oxide; FEV1=forced expiratory