91 results
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
• Flow rate of ... retention of exhaled gases ... • Uses either ... Delivery #FiO2 #Pulmonary ... Equipment #Devices #Management
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
morphologies: • Rate ... • Hypoxia • Pulmonary ... hypertension Management ... • Oxygen • ... Diagnosis #ECG #EKG #Management
Oxygen-Hemoglobin Dissociation Curve

Left Shift (↓ O2 unloading to tissue), Left = Lower:
 • ↓ H+ (↑
Oxygen-Hemoglobin ... Temperature Right ... MatthewHoMD #Oxygen ... Dissociation #Curve #pathophysiology ... #pulmonary #respiratory
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
- insufficient oxygen ... Hypoxemia - low oxygen ... Hypoxemia #summary #pulmonary ... differential #diagnosis #causes ... #pathophysiology
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
hypovolaemia or combined causes ... problem in adequate oxygen ... ❶ Adequate oxygen ... AND give 100% oxygen ... Checklist #Diagnosis #Management
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
crackles in the right ... - Amount of oxygen ... Edema: • Pathophysiology ... decreased respiratory rate ... • Pathophysiology
Oxygen Delivery Equation
DO2 = CO x {(1.39 x Hb x sO2) + (PaO2 x 0.03)}
DO2 =
Oxygen Delivery ... x 0.03)} DO2 = Rate ... of oxygen delivery ... Delivery #Equation #pathophysiology ... #pulmonary #apples
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
not tolerate a tight-fitting ... A venturi mask uses ... specified flow rate ... Delivery #Devices #management ... #pulmonary #criticalcare
Shock Classification Types - Pathophysiology Comparison

Obstructive Shock:
 • Obstructive shock is characterized by a blockage in
Classification Types - Pathophysiology ... in blood flow caused ... Depends on the cause ... Pulmonary embolism ... and inadequate oxygen
Increased Airway Pressure - Guidelines for Crises in Anaesthesia

Using these steps from start to end should
. ❶Adequate oxygen ... AND give 100% oxygen ... • Check heart rate ... o Aspiration, pulmonary ... Checklist #Diagnosis #Management