11 results
Correction formulas for Hypernatremia and Hyponatremia
#Management #Nephro #Hyponatremia #Hypernatremia #Correction #FreeWaterDeficit #Formulas #Androgue #Calculation
Correction formulas ... Hypernatremia #Correction ... FreeWaterDeficit #Formulas ... #Androgue #Calculation
Formula for Corrected Calcium in Hypoalbuminemia

Corrected Ca = Measured Ca2 + 0.8 x (4.0 - Albumin)

Example:
Formula for Corrected ... Hypoalbuminemia Corrected ... Hypoalbuminemia #formula ... #correction #diagnosis ... #calculation #albumin
What's in a Blood Gas? VBG vs ABG

BOTTOM LINE: VBG is less painful, more easily obtained
Diagnosis #ABG #VBG #Differences ... #Versus #Comparison ... Studies #Conversion #Correlation
ABG vs VBG: Arterial vs Venous Blood Gases

ABG
PROS: Tells you exactly what the arterial environment looks
VBG #Laboratory #Correlation ... #Comparison #pH ... pCO2 #Diagnosis #Differences
Management of Hyponatremia
Hypertonic Saline - Only indicated if patient has severe symptoms + Na < 125
Give
The target for correction ... hypertonic saline correction ... FE Urate post correction ... Volume • Consider correction ... • Calculate correction
Fatigue and IBD Algorithm
 • 40-50% patients have fatigue despite clinical remission
 • Risk factors: BMI,
Fatigue and IBD Algorithm ... ACD • Monitor & correct ... fatigue after correction ... modifications Algorithm ... #Fatigue #IBD #Algorithm
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
systematic error Correlation ... perfect positive correlation ... perfect negative correlation ... , 0 = no correlation ... #calculations #
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
Pressures and Calculations ... Reflects the pressure difference ... have shown good correlation ... RHC #PACatheter #calculations
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
ICU-card «ICU, Formulas ... Q-T interval correction ... Gradient, age-corrected ... Oxygen Content Difference
Hemoglobin A1c (glycated hemoglobin) reflects the average blood glucose concentration over the course of the RBC
or lower, were correlated ... exhibited direct correlations ... LDL and inverse correlation ... lifespan of RBCs in circulation