102 results
ABG vs VBG: Arterial vs Venous Blood Gases

ABG
PROS: Tells you exactly what the arterial environment looks
ABG vs VBG: Arterial ... vs Venous Blood Gases ... looks like (pH, PaCO2 ... serial exams #ABG ... Comparison #pH #pCO2
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 - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
7.35-7.45 • PaCO2 ... 35-45 mmHg • PaO2 ... Metabolic: pH pCO2 ... Acetazolamide Causes ... Classically” noted with pulmonary
Perform computations online at:
ScyMed.com
6th ED
ICU-card
«ICU, Formulas & Drugs»
HEMODYNAMIC PATTERNS
Condition
SAP
CVP

PAP PCWP

CO C(a-v)02 PVR

SVR
Hypovolemic shock
↓
↓
↓
↓
↓
↑
↑
↑
Cardiogenic shock
↓
1
↑
1

1
↑

Septic shock
↓
↓
↓
↓
↑
↓
↓
↓
Cardiac Tamponade
.
↑
↑
1
↓

→
↑
RV
→ ↓ → →↑ Pulmonary ... +2PDP)/3 Mean Pulmonary ... Index CARDIAC WORK ... RCWI Cardiac Work ... 0.0144 Cardiac Work
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 #diagnosis #causes
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
the Anion Gap (AG ... Do you need an ABG ... approximates an ABG ... and ~5 mmHg to pCO2 ... Disorders #Evaluation #workup
Severe Asthma Exacerbation
Signs of a Severe Asthma Exacerbation:
 • Vitals: ↑HR ↑RR ↓SpO2
 • High work
↓SpO2 • High work ... poor air flow • ABG ... : - High pCO2 ... with increased work ... #CriticalCare #pulmonary
Blood Gas (ABG) Interpretation and Acid-Base Pathology
1- Does the patient have an acidosis or an alkalosis?
Blood Gas (ABG) ... Look at the pCO2 ... the change in pCO2 ... need to do more work ... AmyChung #AcidBase #ABG
Hypoglycemia Workup and Differential Diagnosis
Workup:
 • Sulfonylurea Labs
 • Anti-lnsulin Ab - Insulin Autoimmune Syndrome
 •
Hypoglycemia Workup ... Differential Diagnosis Workup ... • Anti-lnsulin Ab ... metabolic demand causes ... #Hypoglycemia #Workup
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