64 results
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Approach to Acid Base ... an ABG by adding ... and ~5 mmHg to pCO2 ... depression, Obstructive Lung ... Disorders #Evaluation #workup
Capnography
Measurement of exhaled carbon dioxide can be used to confirm ETT placement, for safer procedural sedation,
PvCO2 - Mixed ... venous CO2 • ... PaCO2 - Arterial ... on an ABG) The ... intubation, single lung
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... ABG And BMP Normal ... Metabolic: pH pCO2 ... or restrictive lung ... bloodgas #Acid #Base
Acid Base and Blood Gas Analysis
1. pH - What’s the primary disturbance?
2. pCO2 - What’s the
Acid Base and Blood ... 2. pCO2 - What’s ... the pCO2? ... Medications, Central, ↑ CO2 ... nickmmark #acidbase #workup
Blood Gas (ABG) Interpretation and Acid-Base Pathology
1- Does the patient have an acidosis or an alkalosis?
Blood Gas (ABG) ... Interpretation and Acid-Base ... Look at the pCO2 ... need to do more work ... AmyChung #AcidBase #ABG
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Hyperacute Hypoxemia - Workup ... (JVP, edema), Lung ... Exam, POCUS (B-lines ... , lung sliding) ... BNP, Troponin), ABG
Severe Asthma Exacerbation
Signs of a Severe Asthma Exacerbation:
 • Vitals: ↑HR ↑RR ↓SpO2
 • High work
↓SpO2 • High work ... poor air flow • ABG ... : - High pCO2 ... Abnormally normal ABG ... with increased work
Algorithm for Management of Acute Exacerbation of COPD (AECOPD)

Obtain workup for alternate diagnoses and relevant comorbidities:
AECOPD) Obtain workup ... ventilated • CXR, Lung ... Sp02 88-92% • VBG ... /ABG Matthew
Approach to Selecting Respiratory Support:
-The role of noninvasive respiratory support is generally to reduce the patient's
the patient's work ... normalize the ABG ... than monitoring ABG ... failure), not the ABG ... to “blow off” CO2
Proposed Pathophysiology of COVID19 Lung Injury

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