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PULMONARY ARTERY CATHETERIZATION-NORMAL PRESSURES

Cardiology

PULMONARY ARTERY CATHETERIZATION-NORMAL PRESSURES

1. RA < 7, RV = 30/7, PCWP < 12.

2. Jugular venous distension in the upright patient indicates an elevated RA pressure > 7 cmH 2 O (5 mmHg).

3. PCWP increases with LV systolic and diastolic failure, MS, aortic and mitral insufficiency, tamponade, constrictive pericarditis and ventricular hypertrophy.

4. Consider LV failure if the PCWP is > 15-18; PCWP 15-25 causes dyspnea on exertion (DOE); and PCWP 25-35 causes dyspnea at rest, orthopnea, and interstitial edema. Pressure > 35 (acutely) causes frank pulmonary edema.


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REFERENCES

1. Wilkinson, I. (2017). Oxford handbook of clinical medicine. Oxford: Oxford University Press.
2. Hannaman, R. A., Bullock, L., Hatchell, C. A., & Yoffe, M. (2016). Internal medicine review core curriculum, 2017-2018. CO Springs, CO: MedStudy.
3. Image: no reference available.

Ⓒ A. Manickam 2018

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