234 results
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
Acid-Base Disorders - Differential ... HCO3 < 24mmol/L) CO2 ... Respiratory Acidosis (pCO2 ... Respiratory Alkalosis (pCO2 ... AcidBase #Disorders #Differential
What's in a Blood Gas? VBG vs ABG

BOTTOM LINE: VBG is less painful, more easily obtained
very well, and PvCO2 ... #EBM #Diagnosis ... Comparison #PH #PCO2
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 ... (Patm - 47) - (PaCO2 ... Level) [150- (PaCO2 ... Hypoxia #hypoxemia #differential
Non-Invasive Ventilation (BiPAP) Algorithm - Indications and Contraindications
Indications for NIV:
 • COPD - pH <7.35, pCO2
COPD - pH <7.35, pCO2 ... VC < 1 even if pCO2 ... or pH <7.35 and pCO2 ... RR or daytime pCO2 ... BiPAP #Algorithm #criticalcare
Acid Base Disorders Worksheet

Step 1: Gather the necessary data (Na+, CI-, HCO3-, PH, pCO2). Preferably, all
CI-, HCO3-, PH, pCO2 ... 3: Look at the pCO2 ... . 3a: If pCO2 ... diagnoses using the differentials ... Worksheet #diagnosis #differential
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
type of hypoxia) PIO2 ... O2 is inspired) PAO2 ... hypoxia) - Low PaO2 ... Low SvO2 → Low PaO2 ... summary #pulmonary #differential
Markers of Organ Dysfunction in Severe Sepsis 
Altered consciousness 
Confusion 
Psychosis 

Tachycardia 
Hypotension 
Altered CVP 
Altered
Tachypnoea PaO2 ... 70mmHg SaO2 < 90% PaO2 ... Severe #Sepsis #CriticalCare
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... 35-45 mmHg • PaO2 ... Metabolic: pH pCO2 ... acidosis Step 5 - Differential ... Base #Gas #VBG #differential
Understanding & Treating ARDS - Acute Respiratory Distress Syndrome

•  Timing - within one week of
Impaired Oxygenation PaO2 ... Diagnosis #Management #CriticalCare
Goal-Directed Therapy - Evidence Summary of Major Clinical Trials

 - EGDT: NEJM 2001

 - ProCESS: NEJM
Therapy #Trials #EBM ... VisualAbstract #CriticalCare