22 results
Non-Invasive Positive Pressure Ventilation
Indications: 
 • COPD exacerbation (↓ intubation, ↓ mortality), Cardiogenic pulmonary edema (↓
Positive Pressure Ventilation ... head/neck surgery Interfaces ... Spontaneous Time (a.k.a BiLevel ... Positive #Pressure #Ventilation ... indications #pulmonary #interfaces
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... V/Q Mismatch: ↓Ventilation ... #Hypoxia #Differential ... #Diagnosis #Algorithm
General schema for respiratory support in patients with COVID-19
Low flow nasal cannula
 • Typically set at
in more severe hypoxemia ... • (Helmet interface ... Internet Book of Critical ... #criticalcare #hypoxia ... #failure #algorithm
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Differential Diagnosis Algorithm ... Ventilation/perfusion ... #Hypoxia #Differential ... #Diagnosis #Algorithm
Causes of Approach to Altered Level of Consciousness - Workup
Clinical Exam - Focal
 • Trauma
 •
Consciousness - Workup Clinical ... Imaging Section Clinical ... Abnormality • Hypoxia ... • Hyper/HypoCa ... diagnosis #workup #algorithm
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
capillary-alveolar interface ... diffusion defects) VENTILATION ... perfusion (Q) and ventilation ... direction leads to hypoxemia ... Respiratory #Failure #hypoxia
Noninvasive Ventilation Summary
Positive pressure ventilation that is delivered through a nasal, mask, or helmet interface and
Noninvasive Ventilation ... Positive pressure ventilation ... mask, or helmet interface ... air trapping • Bilevel ... oxygenation BIPAP - Bilevel
Proposed Respiratory Support Algorithm in COVID19

The ‘intubate early’ paradigm, where patients who “fail” low flow oxygen
Respiratory Support Algorithm ... the mechanical ventilation ... #criticalcare #hypoxia ... #failure #algorithm
Mechanical ventilation in obese patients according to the i-STAR Algorithm
Intubate
 • Anticipate difficult airway management and
Mechanical ventilation ... to the i-STAR Algorithm ... difficult mask ventilation ... • FiO2: avoid hyperoxia ... patients #iSTAR #Algorithm
Approach to Selecting Respiratory Support:
-The role of noninvasive respiratory support is generally to reduce the patient's
CriticalCare #BiPAP #BiLevel ... #Noninvasive #Ventilation ... RespiratorySupport #Selection #Algorithm