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diagnosis acidosis causes pulmonary alkalosis bloodgas respiratory abg hypoxemia algorithm arterial compensation disorders management metabolic summary workup aa acid alveolar
Acid Base Disorders - Blood Gas Interpretation Steps for Blood Gas Interpretation: 1. Acidemia or Alkalemia? 2.
Differentials? ... Metabolic: pH pCO2 ... , pain, fever, hypoxia ... with associated hypoxia ... MDaniyalHashmi1 #AcidBase
Hypoxia and Hypoxemia - Overview Hypoxia - insufficient oxygen delivered to tissues to meet demands Hypoxemia - low
) PIO2 - atmospheric ... O2 is inspired) PAO2 ... Low SvO2 → Low PaO2 ... Low SvO2 → Low PaO2 ... #pulmonary #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
Arterial Blood Gas (ABG) Analysis - Metabolic + Respiratory Acidosis + Alkalosis pH ↓ pCO2 ↓ -
Alkalosis pH ↓ pCO2 ... acidosis pH ↑ pCO2 ... alkalosis pH ↑ pCO2 ... ABG #Analysis #Interpretation ... #AcidBase #Diagnosis
Acid Base and Blood Gas Analysis 1. pH - What’s the primary disturbance? 2. pCO2 - What’s the
2. pCO2 - What’s ... the pCO2? ... alkalosis drive • Hypoxemia ... MD @nickmmark #acidbase ... respiratory #bloodgas #interpretation
Hypoxemia vs Hypoxia Hypoxemia - Partial pressure of arterial oxygen (PaO2) is below normal Hypoxia - Insufficient oxygen
Hypoxemia vs Hypoxia ... Hypoxemia - Partial ... arterial oxygen (PaO2 ... compensate for low PaO2 ... #hypoxemia #differential
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 ... (Patm - 47) - (PaCO2 ... arterial #pulmonary #Hypoxia ... #hypoxemia #differential
Blood Gas (ABG) Interpretation and Acid-Base Pathology 1- Does the patient have an acidosis or an alkalosis?
Blood Gas (ABG) Interpretation ... Look at the pCO2 ... the change in pCO2 ... MSc @AmyChung #AcidBase ... #ABG #Interpretation
Hypoxemic Respiratory Failure - Differential Diagnosis Framework DECREASED INSPIRED OXYGEN • Low PATM Can decrease first part
Respiratory Failure - Differential ... HYPOVENTILATION • Rising PaCO2 ... direction leads to hypoxemia ... Respiratory #Failure #hypoxia ... #Differential #
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis The most common causes of hyperlactatemia are usually:
Lactic Acidosis - Differential ... usually: - hypoxemia ... hypoperfusion/ hypoxemia ... (PaO2 < 30mmHg) ... Acidosis #Elevation #Differential
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