150 results
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... Metabolic: pH pCO2 ... Classically” noted with pulmonary ... Summary #Nephrology #ABG ... #differential
Capnography
Measurement of exhaled carbon dioxide can be used to confirm ETT placement, for safer procedural sedation,
monitor cardiac & pulmonary ... • PvCO2 - Mixed ... venous CO2 • ... on an ABG) The ... patterns #diagnosis #pulmonary
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
Acid-Base Disorders - Differential ... Diagnosis Algorithm ... Respiratory Alkalosis (pCO2 ... AcidBase #Disorders #Differential ... #Diagnosis #Algorithm
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Intracardiac, Pulmonary ... V/Q Mismatch: Pulmonary ... , Atelectasis, Pulmonary ... Diffusion Defect: Pulmonary ... Hypoxia #hypoxemia #differential
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
type of hypoxia) PIO2 ... O2 is inspired) PAO2 ... blood (measured on ABG ... Hypoxemia #summary #pulmonary ... #differential #
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Evaluation and Differential ... approximates an ABG ... and ~5 mmHg to pCO2 ... Differential Diagnosis ... Evaluation #workup #Differential
Approach to Selecting Respiratory Support:
-The role of noninvasive respiratory support is generally to reduce the patient's
normalize the ABG ... than monitoring ABG ... failure), not the ABG ... to “blow off” CO2 ... RespiratorySupport #Selection #Algorithm
Severe Asthma Exacerbation
Signs of a Severe Asthma Exacerbation:
 • Vitals: ↑HR ↑RR ↓SpO2
 • High work
poor air flow • ABG ... : - High pCO2 ... Abnormally normal ABG ... #CriticalCare #pulmonary
Causes of Pediatric Wheezing - Differential Diagnosis Algorithm
CXR Abnormal:
 • Pulmonary Sequestration
 • Congenital Adenoid Cystic
Pediatric Wheezing - Differential ... Diagnosis Algorithm ... Abnormal: • Pulmonary ... #Causes #Peds # ... Pediatrics #Pulmonary
Algorithm for Management of Acute Exacerbation of COPD (AECOPD)

Obtain workup for alternate diagnoses and relevant comorbidities:
Algorithm for Management ... Sp02 88-92% • VBG ... /ABG Matthew ... #COPD #AECOPD #Algorithm ... Exacerbation #treatment #pulmonary