34 results
“H’s & T’s“ - The reversible causes of Cardiac Arrest 
Hypovolemia, Hypoxia/Hypoxemia, Hydrogen Ion Excess (Acidosis),
causes of Cardiac Arrest ... /Hypoxemia, Hydrogen ... Pneumothorax, Thrombosis (Pulmonary ... #HsTs #acls #differential ... #diagnosis #arrest
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... • Interstitial lung ... Hypoventilation Syndrome ... #Hypoxia #Differential ... #Diagnosis #Algorithm
Underlying causes of PEA arrest: H’s and T’s 

Hypovolemia, Hypoxia, Hydrogen Ion (acidosis), Hypo/Hyper-kalemia, Hypothermia
Toxins, Tamponade,
causes of PEA arrest ... Hypovolemia, Hypoxia ... ), Thrombosis (lungs ... massive PE) #PEA #arrest ... #Diagnosis #Table
H’s and T’s Mnemonic - Causes of Cardiac Arrest
H's - Hypovolemia, Hypoxia, Hydrogen Ions (acidosis), Hyperkalemia
Causes of Cardiac Arrest ... - Hypovolemia, Hypoxia ... Mnemonic #Cardiac #Arrest ... #Causes #differential ... #diagnosis #acls
Causes of Sudden Cardiac Arrest
Primary Myocardial Processes (> 90%):
 • Acquired structural heart disease: CAD, Most
Sudden Cardiac Arrest ... VT* • Acquired long ... EricsMedicalLectures/ #Cardiac #Arrest ... #cardiology #differential ... #diagnosis #causes
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Response Management Algorithm ... atelectasis • Lung ... #Hypoxia #differential ... #Diagnosis #Management ... #pulmonary
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
and Management Differential ... , Flash Pulmonary ... (JVP, edema), Lung ... Exam, POCUS (B-lines ... , lung sliding)
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Diagnosis Algorithm ... Pulmonary Arterial ... Disease and/or Hypoxemia ... #Diagnosis #Algorithm
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... , Interstitial Lung ... #Hypoxia #hypoxemia ... #differential # ... diagnosis
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... Diagnosis Framework ... hepatopulmonary syndrome ... #Differential # ... Diagnosis #pulmonary