Home
Radiology Guides Anatomy Physio & Path Medicine Physics Contact
HEART SOUNDS ABNORMALITIES

Cardiology

HEART SOUNDS ABNORMALITIES

(S1 - closure of MV/TV; S2 - closure of AV/PV)

1. Loud S1 - MS, TS.
2. Loud S2 - AS, PS, pulmonary HTN.
3. Soft S1 - failure of leaflets to coapt normally (MR), prolonged diastole (1st degree heart block), delayed systole (LBBB).
4. Soft S2 - AR.
5. Increased normal splitting of S2 - delayed RV emptying (RBBB, MR, VSD, pulmonary stenosis).
6. Fixed splitting of S2 - ASD.
7. Reversed splitting of S2 - LBBB, severe AS, aortic coarctation, large PDA.


Avatar
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

+ Home