9 results
What's in a Blood Gas? VBG vs ABG

BOTTOM LINE: VBG is less painful, more easily obtained
VBG vs ABG BOTTOM ... , pH correlates ... very well, and PvCO2 ... #Versus #Comparison ... #PH #PCO2 #Studies
ABG vs VBG: Arterial vs Venous Blood Gases

ABG
PROS: Tells you exactly what the arterial environment looks
ABG vs VBG: Arterial ... environment looks like (pH ... , PaCO2, HCO3) CONS ... #Correlation #Comparison ... #pH #pCO2 #Diagnosis
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... ABG And BMP Normal ... Values • pH: ... pCO2 ↓ ↓ Metabolic ... #bloodgas #Acid
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 pH 2 ... direction of the pH ... AmyChung #AcidBase #ABG
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Approach to Acid ... Do you need an ABG ... an ABG by adding ... ~0.05 to pH and ... ~5 mmHg to pCO2
Main types of autoimmune encephalitis in the ICU. 
Anti-NMDAR anti-N-methyl-d-aspartate receptor, ADEM acute disseminated encephalomyelitis, Anti-GFAP
anti-gamma aminobutyric acid ... isoxazolepropionic acid ... electroencephalography, Abs ... #encephalitis #comparison ... #table #neurology
Urine Microscopy Crystals
Uric Acid crystals:
 - Formation promoted by acidic urine
 - Seen in tumor lysis
Crystals Uric Acid ... independent of urine pH ... independent of urine pH ... Microscopy #Crystals #comparison ... #table #urinalysis
#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
AG S 8-16 mEq ... H_def 0 mEq Acid ... )/HCO3 Acid base ... 50mmHg (acute I pH ... on FIO2 < 50% pH
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
black • Periodic acid-Schiff ... as sensitive as Ag ... fungi #fungus #comparison ... #table