137 results
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
O2 is inspired) PAO2 ... reaches the alveoli) PaO2 ... blood (measured on ABG ... Low SvO2 → Low PaO2 ... Hypoxemia #summary #pulmonary
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 Normal ... Embolism, Obstructive Lung ... , Interstitial Lung
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acute or chronic ... Compensation, Acute ... Classically” noted with pulmonary ... or restrictive lung ... Summary #Nephrology #ABG
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Do you need an ABG ... and ~5 mmHg to pCO2 ... the chronicity (acute ... , chronic, or acute ... depression, Obstructive Lung
Algorithm for Management of Acute Exacerbation of COPD (AECOPD)

Obtain workup for alternate diagnoses and relevant comorbidities:
Algorithm for Management ... of Acute Exacerbation ... ventilated • CXR, Lung ... /ABG Matthew ... Exacerbation #treatment #pulmonary
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Diagnosis and Workup Algorithm ... Acute / Subacute ... : • Acute Infections ... Disease #Diagnosis #Algorithm ... #lesion #pulmonary
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Berlin Criteria for Acute ... consistent with pulmonary ... lobar collapse, lung ... collapse, or pulmonary ... H2O #ARDS #Acute
Oxygen Saturation - Measurement Techniques and Limitations
 • Sp02 - Cutaneous pulse oximeter
 • SaO2 Calculated
pulse oximeter • SaO2 ... Point-of-care handheld ABG ... device • SaO2 ... #Measurement #pulmonary
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
, inflammatory lung ... leading to increased pulmonary ... permeability, lung ... consistent with pulmonary ... on CT or CXR ● PaO2
Proposed Pathophysiology of COVID19 Lung Injury

COVID19 Lung Injury model schematic based on 1) ACUTE thrombotic vascular
Pathophysiology of COVID19 Lung ... Injury COVID19 Lung ... schematic based on 1) ACUTE ... due to unopposed Ang ... Pathophysiology #COVID19 #Pulmonary