Normal ECG Intervals (sec)
BUY
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PR 0.12-0.20
QRS 0.06-0.08
Heart rate/min
Q-T
60
0.33-0.43
70
0.31-0.41
80
0.29-0.38
90
0.28-0.36
100
0.27-0.35
Total Parenteral Nutrition Equations:
Caloric Requirements: (Harris-Benedict Equations)
Basal energy expenditure (BEE)
Females: 655 + (9.6 x wt in kg) + (1.85 x ht in cm) - (4.7 x age)
Males: 66 + (13.7 x wt in kg) + (5 x ht in cm) - (6.8 x age)
A. BEE x 1.2 = Caloric requirement for minimally stressed patient
B. BEE x 1.3 = Caloric requirement for moderately stressed patient
(inflammatory bowel disease, cancer, surgery)
C. BEE x 1.5 = Caloric requirement for severely stressed patient (major
sepsis, burns, AIDS, liver disease)
D. BEE x 1.7 = Caloric requirement for extremely stressed patient (traumatic
burns >50%, open head trauma, multiple stress)
Protein Requirements:
A. Protein requirement for non-stressed patient = 0.8 gm protein/kg.
B. Protein requirement for patients with decreased visceral protein states
(hypoalbuminemia), recent weight loss, or hypercatabolic states = 1.0-1.5
gm protein/kg.
Estimation of Ideal Body Weight:
A. Females: 5 feet (allow 100 lbs) + 5 lbs for each inch over 5 feet
B. Males: 5 feet (allow 106 lbs) + 6 lbs for each inch over 5 feet
