45 results
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
DECREASED INSPIRED OXYGEN ... Difficulty diffusing oxygen ... with supplemental oxygen ... lung diseases, pulmonary ... asthma, COPD, pulmonary
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
Oxygen Delivery ... • Delivers oxygen ... retention of exhaled gases ... • Uses either ... Delivery #FiO2 #Pulmonary
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
- insufficient oxygen ... Hypoxemia - low oxygen ... - atmospheric oxygen ... Hypoxemia #summary #pulmonary ... differential #diagnosis #causes
Differentiating Features Between Central and Peripheral Cyanosis

Mechanism - Arterial destauration
Sites - Skin, mucous membrane of oral
Cyanosis same Oxygen ... therapy - Pulmonary ... cause can improve ... Cyanosis reduces Oxygen
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... and other non-pulmonary ... Pulmonary hemorrhage ... breath with low oxygen ... Consolidation #Causes
Increased Airway Pressure - Guidelines for Crises in Anaesthesia

Using these steps from start to end should
should identify any cause ... . ❶Adequate oxygen ... surgery related cause ... AND give 100% oxygen ... o Aspiration, pulmonary
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
Mask Oxygen Delivery ... A venturi mask uses ... small valve to mix oxygen ... increases delivered oxygen ... Devices #management #pulmonary
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Uncommon Causes ... - Amount of oxygen ... of other common causes ... Any opioid can cause ... #edema #causes
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Aspiration, Flash Pulmonary ... Bronchospasm, Pulmonary ... edema), Lung Exam, POCUS ... PPI Oxygen Therapy
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
/ hypoxemia -> focus ... • Increased Oxygen ... • Decreased Oxygen ... output - Acute pulmonary ... Reduced Arterial Oxygen