7 results
Specificity Calculation - Probability that a test correctly identifies those without the disease (true negative rate)

Specificity
Specificity Calculation ... Probability that a test correctly ... TN / (FP + TN) Specificity ... #Epidemiology #Equations ... #calculations #
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
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
the test will correctly ... Specificity is the ... the test will correctly ... NegativePredictiveValue #Calculation ... Table #PPV #NPV #Formulas
Diagnostic algorithm for the workup of hypercalcemia. The diagnostic workup for patients presenting with hypercalcemia rests
Diagnostic algorithm ... 24-hour urine collection ... sensitivity for correct ... ) was 0.80 and specificity ... #Differential #Algorithm
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Specificity (rule ... FN) Higher specificity ... , 0 = no correlation ... Biostatistics #formulas ... #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 ... values units equation ... Gradient, age-corrected
Hemoglobin A1c (glycated hemoglobin) reflects the average blood glucose concentration over the course of the RBC
The equation to ... or lower, were correlated ... LDL and inverse correlation ... lifespan of RBCs in circulation