9 results
Correction formulas for Hypernatremia and Hyponatremia
#Management #Nephro #Hyponatremia #Hypernatremia #Correction #FreeWaterDeficit #Formulas #Androgue #Calculation
Correction formulas ... Hypernatremia #Correction ... FreeWaterDeficit #Formulas ... #Androgue #Calculation
Calculating a Reticulocyte Index (RI)
Reticulocyte Index = Absolute Reticulocyte Count / Maturation Correction
Absolute Reticulocyte Count =
Calculating a Reticulocyte ... Count / Maturation Correction
Formula for Corrected Calcium in Hypoalbuminemia

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

Example:
Formula for 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
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
• Start by calculating ... • Rapid correction ... maximum rate of correction
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
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 #
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
↓

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RV
ICU-card «ICU, Formulas ... Q-T interval correction ... Oxygen Content Difference