Values and Formulas Flashcards by Dominic Gomez

Q

VD/VT Ratio Formula

A

(PaCO2 – PECO2) / PaCO2

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Q

(R) Arterial Pressure Values

A

2-6 mmHg
mmH2O is double

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Q

MAP Values

A

93-94 mmHg

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Q

PAP Values

A

25/8
Mean 13-14 mmHg

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Q

Pulmonary Capillary Preasure

A

8-10 mmHg

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Q

PCWP

A

4-12 mmHg

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Q

Cardiac Output

A

4-8 L/min

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Q

Cardiac Index

A

2.5-4 L/min

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Q

Pulse Pressure Formula
Pulse Pressure Value

A

Systolic-Dystolic
40 mmHg

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Q

SVR Systemic Vascular Resistance

A

<20 mmHg/L/min
1600 Dynes

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Q

C(a-v)O2 Formula
C(a-v)O2 Values

A

CaO2 – CvO2
4-5 % Vol

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Q

(VC) Vital Capacity

A

4.8 Liters or 80% of Predicted or higher

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Q

(FEV1) Forced Expiratory Volume/1 Sec.

A

4.0 Liters or 80% of predicted or higher

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Q

FEV1,/FVC

A

83%

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Q

FEF
200-1200

A

6.0 L/Sec or 80% of predicted or higher

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Q

(PEFR) Peak Expiratory Flowrate

A

10 L/Sec (600 L/Min)

Q

(RAW) Airway Resistance

A

0.6-2.4 cmH2O

Q

(VC) Vital Capacity

A

65-75 ml/kg or 10x Vt

Q

(Ve) Minute Ventilation

A

5-6 L/min

Q

MIP

A

80

Q

MEP

A

160

Q

CaO2 Formula

A

(Hbx1.34 x SaO2) + (PaO2 x 0.003)

Q

Oxygen Entrainment Ratio Factors
28%
60%
100%

A

11:1
1:1
0:1

Q

Total Flow formula

A

Factor X liter flow

Ideal Body Weight Formula

50kg + (2 x inches over 5 ft.)

Minute Ventilation Formula

Tidal Volume X Flow

Alveolar Minute Ventilation

(TIdal volume - deadspace) x flow (deadpace is 1ml/lb)

kg/lbs conversion

1kg= 2.2 lbs

FRC Formula

ERV + RV

(VC) Vital Capacity Formula aka FVC Forced Vital Capacity Formula

IRV + TV + ERV

(TLC) Total Lung Capacity