First heart sound: Definition with First heart sound Pictures and Photos

Medical Definition of First heart sound

1. Occurs with ventricular systole and is mainly produced by closure of the atrioventricular valves. (05 Mar 2000)

Lexicographical Neighbors of First Heart Sound

First Epistle of John
First Epistle of Paul the Apostle to the Corinthia
First Epistle of Paul the Apostle to the Thessalon
First Epistle of Paul the Apostle to Timothy
First Epistle of Peter
First Epistle to the Corinthians
First Epistle to the Thessalonians
First Epistle to Timothy
first estate
first finger

first floor
first gear
first grade
first half
first harmonic
first heart sound (current term)
first in first out
first lady
first language
first law of motion

first law of thermodynamics
first law of thermodynamics
first lieutenant
first light
First Lord of the Treasury
First Marquess Cornwallis
first mate
first meiotic division
first molar
first moment

Other Resources:

Quick Links

Search