17 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... to chronic lung disease ... (COPD) • Hypoxia ... • Pulmonary hypertension ... • Oxygen • Treatment
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... (Asthma, COPD) ... • Pulmonary Arterial ... Defect ** • Atrial ... #Hypoxia #Differential
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
- Differential Diagnosis ... Pressure Vent, pHTN, Shock ... • Airway Disease ... : Asthma, COPD, ... #hypoxia #Differential
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
pneumonia • Water: pulmonary ... pneumothorax, COPD ... asthma • Pleural disease ... Hypoventilation: • CNS ... #Hypoxia #differential
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Hypertension - Differential ... Arterial Hypertension ... and/or Hypoxemia ... : • COPD • Interstitial
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS ... , Interstitial Disease ... Gradient #alveolar #arterial ... #pulmonary #Hypoxia ... #hypoxemia #differential
Shock - Differential Diagnosis Framework
 - MAP <65. SBP <90, drop in SBP > 40
 -
Shock - Differential ... Medications, Spinal Cord ... , Severe Valve Disease ... • Obstructive: Pulmonary ... Treatment Goals
Causes of Hypotonic Infant (Floppy Newborn) - Differential Diagnosis Algorithm
Central Nervous System - Decreased LOC, Axial
Floppy Newborn) - Differential ... Decreased LOC, Axial ... Brain • Hypoxic-Ischemic ... Hemorrhage • CNS ... Syndromes - Spinal Cord
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... Interstitial lung diseases ... Pneumonia, asthma, COPD ... shunting (eg, atrial ... #Differential #
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
respond to the treatment ... present as multifocal ... called cryptogenic (COP ... Diagnosis #Radiology #Pulmonary ... Lobar #Diffuse #Multifocal