Health & Medicine
# Medical Computations

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Pregnancy

estimate conception and due dates

due date, last period=3/14/09
calculate fetal development

25 weeks pregnant
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Blood Chemistry

compute mean plasma glucose from HbA1c level

HbA1c 8%
compute blood oxygen level

blood oxygen level
plot an oxygen saturation curve

oxyhemoglobin dissociation, ppO2=92 mmHg, ppCO2=42 mmHg, pH=7.4
look up the formula and compute with it interactively

serum osmolarity
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General Clinical Medicine

compute catheter radius from flow rate and other data

catheter flow rate 1 mL/s
compute free water deficit

free water deficit
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Nephrology

calculate peak urinary flow

peak urine flow, volume=640 ml
calculate creatinine clearance

creatinine clearance
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Emergency Medicine

estimate the patient's blood alcohol content

blood alcohol content
estimate cold water survival time

time until death in cold water 34 F
estimate time to frostbite

frostbite calculator temperature -20 C wind speed 30 km/hr
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Cardiopulmonary Medicine

estimate ventricular pumping rate

total cardiac output 70 bpm
interactively calculate oxygen delivery rate

O2 delivery
make expiratory calculations

peak expiratory flow 7.6 L/s 16yo male
compute a corrected QT interval

corrected QT interval
look up a formula and use it interactively

respiratory quotient
compute an oxygen index

oxygen index
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Endocrinology

compute free and bioavailable testosterone

bioavailable testosterone
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Ophthalmology

estimate a patient's glaucoma risk

glaucoma risk, intraocular pressure=22 mmHg
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Pediatrics

use an interactive growth chart

NCHS growth chart
calculate projected growth

projected child growth 3yo 14kg
compute pediatric tracheal tube size

tracheal tube size for 5 year old, 42in tall, 45lb
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Apgar Scores

compute an Apgar score from given characteristics

apgar score
is my newborn baby healthy if she is pink and her pulse is 97 bpm