Pregnancy

Estimate conception and due dates:

due date, last period=3/14/09

Calculate fetal development:

25 weeks pregnant

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

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 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

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:

apgar score

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