Heart
Heart Sounds Introduction
Pediatrics: When To Refer
Heart Murmur
Normal Heart Sounds
First Heart Sounds
Second Heart Sounds
Extra Heart Sounds (S3 & S4)
Systolic Murmurs
Diastolic Murmurs
Complex Conditions
Congenital Abnormalities
Cardiac Conditions Assoc. with Sudden Death
Heart Sounds in Primary Care
Auscultation Repetition Training
Heart Sounds Guide
Lungs
Lung Sounds Introduction
Basic Lung Sounds
Intermediate Lung Sounds
Lung Sounds Guide
Intro To Lung Sounds
Blood Pressure
Taking Blood Pressure
Measuring Blood Pressure Procedure
Adult Case Studies Part I
Adult Case Studies Part II
High Blood Pressure in Children
Extras
Terms
Quizzes
Heart Sounds Guide
Lung Sounds Guide
Sonography Training (free)
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Normal Heart Sounds
First and Second Heart Sounds - Normal and Unsplit
This is a normal first and second heart sound
at 60 beats per minute. You are auscultating at the Mitral valve area (Apex). The first heart sound has slightly greater intensity than the second heart sound.
The first heart sound is produced by the closing of the mitral and tricuspid valve leaflets.
The second heart sound is produced by the closing of the aortic and pulmonic valve leaflets.
The second heart sound is unsplit when the subject is holding his or her breath at peak expiration.
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pause
The recommended auscultation position for the stethoscope is the
Mitral
position. For this sound, use stethoscope's
Diaphragm
.
The recommended patient position is
Supine
Phonocardiogram
This waveform plots sound amplitude on the vertical axis against time on the horizontal axis.
Heart Animation
Lessons
First and Second Heart Sounds - Normal and Unsplit
First Heart Sound (Minimally Split)
Second Heart Sound - Physiologically Split #1
Third Heart Sound - Physiologic
Innocent Murmur
Exercise - Heart Rate 120
Practice Drill
CaseID
32
CourseID
22
CourseCaseOrder
1
ID
13