18 results
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Rapid Response Management ... 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 ... (Asthma, COPD) ... • Parenchymal Disease ... • Pulmonary Arterial ... Hypoventilation Syndrome
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Arterial Hypertension ... and/or Hypoxemia ... : • COPD • Interstitial ... Sleep-Disordered Breathing
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
to chronic lung disease ... (COPD) • Hypoxia ... • Pulmonary hypertension ... Management ... Diagnosis #ECG #EKG #Management
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS ... of Respiratory ... Hypoventilation Syndrome ... Gradient #alveolar #arterial ... #pulmonary #Hypoxia
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
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Interstitial lung diseases ... Pneumonia, asthma, COPD ... hepatopulmonary syndrome ... shunting (eg, atrial ... #Failure #hypoxia
Factors that May Affect Fetal Oxygenation - Differential Diagnosis Algorithm

Excessive Uterine Activity:
 • Hyperstimulation
 • Placental
Decreased Maternal Arterial ... Hypoventilation • Respiratory ... disease • Seizure ... Antiphospholipid syndrome ... #Oxygenation #Hypoxia
Platypnea-Orthodeoxia Syndrome on Physical Exam
The case of a patient with a diagnosis of cirrhosis and platypnea-orthodeoxia
positional dyspnea and hypoxemia ... observe how the respiratory ... #PhysicalExam # ... clinical #video #breathing ... #respiratory #pulmonary
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic cough • Hypoxia ... obstruction • COPD ... • Mounier-Kuhn syndrome ... , in advanced disease ... CT) • Broncho-arterial