37 results
“H’s & T’s“ - The reversible causes of Cardiac Arrest 
Hypovolemia, Hypoxia/Hypoxemia, Hydrogen Ion Excess (Acidosis),
The reversible causes ... Hypovolemia, Hypoxia ... /Hypoxemia, Hydrogen ... Pneumothorax, Thrombosis (Pulmonary ... Coronary) #HsTs #acls
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... #Hypoxia #Differential ... #Diagnosis #Algorithm ... #pulmonary #Aa
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Response Management Algorithm ... pneumonia • Water: pulmonary ... edema • Air: ... e.g., GBS, MG, ALS ... #rapid #pulmonary
Hypoxemia and Dyspnea - Rapid Response Management

1) Ask for vitals en route
2) Stabilize: Nasal canula 
3)
Hypoxemia and Dyspnea ... ) Examination: Pulmonary ... the underlying cause ... Dyspnea #Management #criticalcare ... #pulmonary #Hypoxia
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Acute Hypoxemia ... Edema, Mucous Plugging ... Edema, Alveolar ... #hypoxia #Differential ... #Diagnosis #causes
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Differential Diagnosis Algorithm ... lung disease • Pulmonary ... #Diagnosis #Algorithm ... #Causes #Pulmonary
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Hyperacute Hypoxemia ... Aspiration, Flash Pulmonary ... Edema, Mucous Plugging ... Bronchospasm, Pulmonary ... Management #treatment #criticalcare
H’s and T’s Mnemonic - Causes of Cardiac Arrest
H's - Hypovolemia, Hypoxia, Hydrogen Ions (acidosis), Hyperkalemia
T’s Mnemonic - Causes ... - Hypovolemia, Hypoxia ... Thromboembolism (Pulmonary ... Cardiac #Arrest #Causes ... differential #diagnosis #acls
Causes of Orthopnea - Differential Diagnosis Framework

 • Fear and Anxiety
 • Pleural Effusion
 • Ascites
Causes of Orthopnea ... Edema • Severe ... pulmonary edema ... - CNS lesion: ALS ... Differential #Diagnosis #Causes
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Intracardiac, Pulmonary ... Edema, Atelectasis ... , Pulmonary Embolism ... UnremarkableLab #AA ... #Hypoxia #hypoxemia