or

or

taken

why

Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.

Don't know
Know
remaining cards
Save
0:01
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

Normal Size     Small Size show me how

calculation practice

PRACTICE MAKES PERFECT

a/A ratio-PaO2 of 75, PAO2 of 245 75/245=30.6%
Bicarb correction-Base defecit of -3, 79kg -3x79/4=59.25
BSA-65kg (4x65)+7/65+90=1.67m2
O2 consumption (VO2) of a 70kg pt (4x70)/70+90=1.75m2130x1.75=227.5
normal CO 4-8L/min
CO-70kg patient, CaO2 15vol%, CvO2 10vol% 227.5/5%227.5/.05=4550mL (4.5L)
dynamic compliance-PEEP 5, PIP 25, corrected Vt 600 600/25-5=30
NL dynamic compliance 30-40mL/cmH2O
Corrected Vt-Vte .550, Tubing volume 50mL 550-50=500mL
NL Vd/Vd-intubated pt 40-60%
NL Vd/Vt-non intubated pt 20-40%
Vd/Vt- PaCO2 45, PeCO2 35 45-35/45=22%
FIO2 needed for a COPD pt- desired PaO2 60, RA PaO2 35 12%+(60-35)/3=60-35=25/3=8.338.33+21=29.33%
Minimum flow rate needed-minute volume 15, I:E 1:3 15x4=60L.min`
I:E ratio- Ti% 25% 25%/25%:1-25%/25%=1:3
Mean Airway Pressure-RR 25, Ti .5, PIP 35, PEEP 8 25x.5=12.5/60=.20835-8=27x.208=5.62+8=13.6cmH2O
anatomic dead space-estimated of a 65kg pt 65mL
alveolar ventilation-minute volume 8,78kg pt, RR 25 (8/25)=.320L(320-78)=242x25=6050mL
minute volume-RR 20, Vt 500 .500x20=10
NL CaO2 16-20vol%
arterial oxygen content-Hb 10g%, SaO2 95%, PaO2 95 (10x1.34x.95)+(95x.003)12.73+.285=12.015vol%
overall oxygen carying capability of the blood CaO2
Can be found also with an expiratory hold Mean airway pressure
Created by: thekaplankid