Medical Computations
Pregnancy
estimate conception and due dates
due date, last period=3/14/09
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 osmolality
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
Nephrology
calculate peak urinary flow
peak urine flow, volume=640 ml
calculate creatinine clearance
creatinine clearance
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
Cardiopulmonary Medicine
estimate ventricular pumping rate
total cardiac output 70 bpm
interactively calculate oxygen delivery rate
O2 delivery
make expirimetry 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
Endocrinology
compute free and bioavailable testosterone
bioavailable testosterone
Ophthalmology
estimate a patient's glaucoma risk
glaucoma risk, intraocular pressure=22 mmHg
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
Apgar Scores
compute an apgar score from given characteristics