Essential Heart Sounds

Third and Fourth Heart Sound Gallop

Anatomy

This video is an animation of Third and Fourth Heart Sound Gallop. While playing the animation, observe the heart valves and blood flow, which are the source of heart murmurs.

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Phonocardiogram

This phonocardiogram of Third and Fourth Heart Sound Gallop can be useful in learning to recognize the heart sound. Play the sound and observe the phonocardiogram waveform (on this website, we typically show three heart beats on each phonocardiogram).

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Introduction

	1	Normal First and Second Heart Sounds - No Splitting
	2	Reduced Intensity First and Second Heart Sounds
	3	Split Second Heart Sound
	4	Third Heart Sound (S3) Gallop
	5	Fourth Heart Sound (S4) Gallop
	6	Third and Fourth Heart Sound Gallop
	7	Summation Gallop at 120 beats per minute
	8	Fixed Splitting of Second Heart Sound
	9	Mid-Systolic Click
	10	Systolic Murmur - Aortic Stenosis
	11	Diastolic Murmur - Aortic Regurgitation
	12	Mitral Valve Leaflet Prolapse
	13	Pansystolic Murmur - Mitral Regurgitation
	14	Diastolic Murmur - Mitral Stenosis

Essential Heart Sounds

Third and Fourth Heart Sound Gallop

Anatomy

Phonocardiogram

Table of Contents

Ultrasound

EKG Monitor Quiz

Point of Care Ultrasound

Website Information

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