299 results
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
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
blood (measured on ABG ... of hypoxia) - Low ... SvO2 → Low PaO2 ... → Low PaO2 CYTOPATHIC ... differential #diagnosis #causes
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
Differential Diagnosis Algorithm ... Respiratory Acidosis (pCO2 ... Respiratory Alkalosis (pCO2 ... Differential #Diagnosis #Algorithm ... #Causes #Compensation
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 ... Acetazolamide Causes ... Diagnosis #Summary #Nephrology
Simple flowchart guide to interpreting arterial blood gases (ABGs). 

#abg #bloodgas #interpretation #algorithm #diagnosis
arterial blood gases ... (ABGs). ... #abg #bloodgas # ... interpretation #algorithm
Severe Asthma Exacerbation
Signs of a Severe Asthma Exacerbation:
 • Vitals: ↑HR ↑RR ↓SpO2
 • High work
wheezing OR poor air flow ... • ABG: - ... High pCO2 / low ... Abnormally normal ABG ... breathing • Peak flow
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
the Anion Gap (AG ... 3) Now, look at ... Do you need an ABG ... approximates an ABG ... and ~5 mmHg to pCO2
Approach to Selecting Respiratory Support:
-The role of noninvasive respiratory support is generally to reduce the patient's
normalize the ABG ... than monitoring ABG ... never be used to “blow ... off” CO2 in a patient ... RespiratorySupport #Selection #Algorithm
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
, low-percentage ... permit exhaled CO2 ... use of reservoir bag ... retention of exhaled gases ... • Uses either
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... filling of bucket (low ... Differential #Diagnosis #Algorithm ... #nephrology