50 results
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
) PIO2 - atmospheric ... O2 is inspired) PAO2 ... blood (measured on ABG ... Low SvO2 → Low PaO2 ... differential #diagnosis #causes
ABG vs VBG: Arterial vs Venous Blood Gases

ABG
PROS: Tells you exactly what the arterial environment looks
ABG vs VBG: Arterial ... vs Venous Blood Gases ... looks like (pH, PaCO2 ... serial exams #ABG ... Comparison #pH #pCO2
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
7.35-7.45 • PaCO2 ... 35-45 mmHg • PaO2 ... Metabolic: pH pCO2 ... , pain, fever, hypoxia ... with associated hypoxia
H’s and T’s Mnemonic - Causes of Cardiac Arrest
H's - Hypovolemia, Hypoxia, Hydrogen Ions (acidosis), Hyperkalemia
T’s Mnemonic - Causes ... - Hypovolemia, Hypoxia ... Cardiac #Arrest #Causes ... diagnosis #acls #checklist
Underlying causes of PEA arrest: H’s and T’s 

Hypovolemia, Hypoxia, Hydrogen Ion (acidosis), Hypo/Hyper-kalemia, Hypothermia
Toxins, Tamponade,
Underlying causes ... Hypovolemia, Hypoxia ... Differential #Diagnosis #Table
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
HYPOVENTILATION • Rising PaCO2 ... gas equation • Causes ... • Most common cause ... direction leads to hypoxemia ... Respiratory #Failure #hypoxia
Extubation Checklist Mnemonic - MASCOTS
M - Mechanism (Underlying mechanism improving)
A - Airway (Patent, difficult intubation)
S -
Extubation Checklist ... Oxygenation (O2 stable ... - Tube feeds (Pause ... (Sedation off, passes ... #Extubation #Checklist
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
• If expired CO2 ... using reservoir bag ... 4 H’s, 4 T’s: Hypoxia ... CardiacArrest #Checklist ... Intraoperative #Checklist
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
lung disease Caused ... upright position • Hypoxemia ... Arterial blood gas (ABC ... Quantifies degree of hypoxemia ... transplant - Lizzie Aby
Nucleated red blood cells, aka normoblasts or erythroblasts, were released prematurely from the bone marrow in
newborns because of hypoxia ... fetus/newborn the causes ... of hypoxia are ... incompatibility and ABO