49 results
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
Oxygen Delivery ... by Device Nasal ... #FiO2 #Pulmonary ... #Equipment #Devices ... #Management
Nasal Oxygen Delivery Devices
Nasal cannula can be used to deliver supplemental O2. Conventional nasal cannula are
Devices Nasal ... nasopharyngeal pressure ... patients - Nick ... #Devices #management ... #pulmonary #criticalcare
Oxygen Delivery Methods
 • Nasal Cannula
 • Nonrebreather Mask
 • Non-Invasive Ventilation (CPAP/BiPAP)
 • Venturi Mask
Oxygen Delivery ... DharSaty #Oxygen #Delivery ... #Methods #devices ... #respiratory #pulmonary ... #management
Oxygen Delivery Systems
Nasal Cannula:
 • Flow: 1 - 6 L/min
 • FiO2: 25 - 40% (-4%/L
Oxygen Delivery ... FiO2: 40 - 60% Device ... rishikumarmd #Oxygen #Delivery ... respiratory #support #devices ... #management #pulmonary
Overview of Ventilator Modes
VC - Volume Control (a.k.a. assist control volume)
 - Every breath delivered (mandatory
- Every breath delivered ... - Every breath delivered ... to deliver a desired ... combine w/ PS Nick ... CriticalCare #Comparison #Management
Noninvasive Ventilation Summary
Positive pressure ventilation that is delivered through a nasal, mask, or helmet interface and
ventilation that is delivered ... • Decreases work ... breathing by improving pulmonary ... #Ventilation #management ... #pulmonary
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
Mask Oxygen Delivery ... Devices Simple ... • FiO2 ~80% Nick ... #Devices #management ... #pulmonary #criticalcare
Non-Invasive Positive Pressure Ventilation
Indications: 
 • COPD exacerbation (↓ intubation, ↓ mortality), Cardiogenic pulmonary edema (↓
), Cardiogenic pulmonary ... secretions, Recent head/neck ... NAPS) by Nick Mark ... Ventilation #diagnosis #management ... #indications #pulmonary
Right Heart Catheterization Cheat Sheet: Interpretation of Pressures and Waveforms 
Direct measurements
 ● Central venous pressure
(RA, RV) ● Pulmonary ... (PAp) ● Pulmonary ... ventricular stroke work ... ventricular stroke work ... 0.136) ● Oxygen delivery
Vasopressors Demystified

Shock comes in many flavors and so do vasopressors. Here’s a OnePager summarizing my approach
my approach to pressors ... pedagogical device ... : the pressor-speedometer ... Nick Mark MD @nickmmark ... #CriticalCare #Management