76 results
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... ABG And BMP Normal ... 35-45 mmHg • PaO2 ... MDaniyalHashmi1 #AcidBase ... Summary #Nephrology #ABG
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
O2 is inspired) PAO2 ... blood (measured on ABG ... hypoxia) - Low PaO2 ... Low SvO2 → Low PaO2 ... summary #pulmonary #differential
Arterial Blood Gas (ABG) Analysis - Metabolic + Respiratory Acidosis + Alkalosis

pH ↓ pCO2 ↓ -
Arterial Blood Gas (ABG ... acidosis pH ↑ pCO2 ... alkalosis pH ↑ pCO2 ... Arterial #BloodGas #ABG ... Interpretation #AcidBase
ABG vs VBG: Arterial vs Venous Blood Gases

ABG
PROS: Tells you exactly what the arterial environment looks
ABG vs VBG: Arterial ... Blood Gases ABG ... looks like (pH, PaCO2 ... serial exams #ABG ... Comparison #pH #pCO2
Arterial Blood Gas (ABG) Interpretation
 • AG/non-AG Metabolic Acidosis
 • AG Acidosis "Delta/Delta"
 • Metabolic Alkalosis
Arterial Blood Gas (ABG ... /non-AG Metabolic ... Acidosis • AG ... Arterial #BloodGas #ABG ... Interpretation #diagnosis #acidbase
What's in a Blood Gas? VBG vs ABG

BOTTOM LINE: VBG is less painful, more easily obtained
VBG vs ABG BOTTOM ... LINE: VBG is less ... obtained than ABG ... EBM #Diagnosis #ABG ... Comparison #PH #PCO2
Acid-Base Balance & ABG Normal Ranges Visualization #AcidBase #ABG #Medicine #Physiology #CriticalCare
Base Excess BE -2 to
Acid-Base Balance & ABG ... Visualization #AcidBase ... #ABG #Medicine ... metabolic acidosis), paCO2 ... HCO3+Cl) 10-18 paO2
Acid-Base Balance & ABG Normal Ranges Visualization #AcidBase #ABG #Medicine #Physiology #CriticalCare
Base Excess BE -2 to
Acid-Base Balance & ABG ... Visualization #AcidBase ... #ABG #Medicine ... metabolic acidosis), paCO2 ... HCO3+Cl) 10-18 paO2
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = PAO2 ... - PaO2 A-a gradient ... /0.8)] - PaO2 Simplified ... /0.8)] - PaO2 Normal ... Hypoxia #hypoxemia #differential
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
Acid-Base Disorders - Differential ... Respiratory Acidosis (pCO2 ... Respiratory Alkalosis (pCO2 ... < 35 mmHg) #AcidBase ... #Disorders #Differential