34 results
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Approach to Acid ... Generally, for acid ... an ABG by adding ... and ~5 mmHg to pCO2 ... Disorders #Evaluation #workup
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... 35-45 mmHg • PaO2 ... Metabolic: pH pCO2 ... Interpretation #Diagnosis #Summary ... #bloodgas #Acid
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
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 ... Low SvO2 → Low PaO2 ... Hypoxia #Hypoxemia #summary
Checklist for Evaluation of New-Onset Delirium in the ICU

Initial assessment 
 - 
Vital signs, neuro exam
Checklist for Evaluation ... differential - ABG ... tox/infectious workup ... nonconvuIsive status #Checklist ... Delirium #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 ... Abnormally normal ABG ... with increased work
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
#ICUCard
RENAL
GFR
90-131
mL/min
((140-age)*Wt)/(72*Cr)
Glomerular Filtration Rate (Cockcroft)
CI Cr
90-131
mL/min
(CrU * volume)/CrS
Creatinine Clearance
FENa
0.0-1.0
%
((U/P Na)/(U/P Cr))*100
Fractional Excretion of Na+
Na req
mEq
(125-Na)*0.6*Wt
Required Sodium
FE Urea
Osmolar Gap ACID-BASE ... AG S 8-16 mEq ... H_def 0 mEq Acid ... pCO2 = 1.5 (HCO3 ... )/HCO3 Acid base
Shock - Diagnosis and Management Summary
 • Hypotension: SBP<90, SBP drop >40, MAP<65 (Normotension, HTN possible
and Management Summary ... and Survey 4) Workup ... Aggressive IVF , ABX ... Diagnosis #Management #Summary ... criticalcare #treatment #workup