30 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Hypoventilation: CNS ... neuromuscular disease ... #Hypoxia #Differential ... Diagnosis #Algorithm #pulmonary
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
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS ... Obstructive Lung Disease ... , Interstitial Disease ... Interstitial Lung Disease ... #Hypoxia #hypoxemia
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Acute Hypoxemia ... pHTN, Advanced COPD ... Shock • Airway Disease ... : Asthma, COPD, ... #hypoxia #Differential
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 ... • Pulmonary Arterial
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
Key features on examination in COPD (Chronic obstructive pulmonary disease)

#Diagnosis #PhysicalExam #COPD #Manifestations #Features #Diagram
examination in COPD ... Chronic obstructive pulmonary ... disease) #Diagnosis ... #PhysicalExam # ... COPD #Manifestations
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
GOLD2017 - The refined ABCD assessment tool. FEV1: forced expiratory volume in 1 s; FVC: forced vital
Obstructive Lung Disease ... Council; CAT: COPD ... #Diagnosis #Pulmonary ... #COPD #GOLD2017 ... #Staging #Grading
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
to chronic lung disease ... (COPD) • Hypoxia ... • Pulmonary hypertension