14 results
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Algorithm Stridor ... Blood: diffuse alveolar ... asthma • Pleural disease ... 12 / shallow breathing ... Hypoventilation: • CNS
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Diagnosis Algorithm ... Hypoventilation: CNS ... neuromuscular disease ... Cardiac, Vascular, Alveolar ... #pulmonary #Aa
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Differential Diagnosis Algorithm ... (Asthma, COPD) ... Hypoventilation Syndrome ... #Diagnosis #Algorithm
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Pulmonary Arterial ... 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 ... Hypoventilation Syndrome ... Hepatopulmonary Syndrome ... #AA #Gradient #alveolar ... #Hypoxia #hypoxemia
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
• Sub-Valvular Disease ... Acute Coronary Syndrome ... • Asthma • COPD ... Alveoli • Pneumonia ... • ARDS • COPD
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
obesity-hypoventilation syndrome ... Interstitial lung diseases ... direction leads to hypoxemia ... Pneumonia, asthma, COPD ... hepatopulmonary syndrome
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
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic cough • Hypoxia ... Connective tissue diseases ... obstruction • COPD ... • Mounier-Kuhn syndrome ... , in advanced disease
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
life-threatening diseases ... Inflammatory eye disease ... recent DAN) • EMG/NCS ... leading to diffuse alveolar ... differential #diagnosis #management