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17 Cards in this Set

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Equation for PAO2
PAO2 = [FiO2(760-47)] - PaCO2 / R

R = 0.8
Equation for PAO2 @ Room Air
PAO2 = 150 - PaCO2 / 0.8
Normal PCWP
12-18mmHg
Normal right atrium pressure
<5mmHg
Normal right ventricle pressure`
<15 / <5-8

(Systolic / Diastolic)
Normal pulmonary artery pressure
<30 / <12
What is the best parameter to differentiate ARDS from cardiogenic pulmonary edema?
PCWP
Primary ST elevation means?
MI
Secondary ST elevation means?
Strain pattern or pericarditis
What're the causes of metabolic acidosis with high anion gap?
MUD PILES

Methanol
Uremia
DKA

Paraldehyde
INH / Iron
Lactic acid
Ethanol / Ethylene glycol
Salicylates / Starvation
What is the scoring technique for determining anticoagulation therapy? How is it scored?
CHADS score

CHF (+1)
HTN (+1)
Age (+1)
Diabetes (+1)
Stroke (+2)

0-1 No anticoag therapy
2-6 Treat
What is a normal I:E ratio on breathing?
1:2
How should I:E ratio be adjusted on a vent for a pt with diffusion abnormalities?
Increase inspiratory time, decrease inspiratory rate --> increase I:E ratio
How should I:E ratio be adjusted on a vent for a pt with COPD?
Decrease inspiratory time and increase respiratory rate --> decrease I:E ratio
What is the classification scheme for asthma? (4 categories) How is each category treated?
1) Mild Intermittent (Once in a while) - albuterol as needed
2) Mild Persistent - albuterol + inhaled steroids +/- Singulair (montelukast
3) Moderate persistent - short and long acting B2 agonist + inhaled steroid +/- Singulair
4) Severe persistent - short and long acting B2 agonist + inhaled steroid + oral steroid +/- Singulair
What random chemotherapeutic drug can be used for severe persistent asthma?
MTX
How long should the PR interval be on ECG?
2-5 small boxes (0.04-0.2 secs)