Cardiovascular Medicine Book




S4 Heart Sound

Aka: S4 Heart Sound, S4 Gallop, S4 Gallup Rhythm, Fourth Heart Sound
  1. See Also
    1. Heart Auscultation
    2. S1 Heart Sound
    3. S2 Heart Sound
    4. S3 Heart Sound
    5. Heart Murmur
    6. Pediatric Murmur
  2. Pathophysiology
    1. S4 represents rapid active ventricular filling
      1. Occurs as atria contract during late diastole
    2. Outside of normal causes (see below), typically represents a stiff ventricle that resists dilation
      1. Associated with Ventricular Hypertrophy and Diastolic Dysfunction
  3. Signs
    1. S4, S1, S2 Sound like "Ten-ne-see" (dub-lub-dub)
  4. Causes
    1. Normal in athletes and the elderly
    2. Stiff Left Ventricle
      1. Hypertension
      2. Diastolic Dysfunction
      3. Coronary Artery Disease
      4. Aortic Stenosis
      5. Cardiomyopathy
      6. Ventricular Hypertrophy
  5. Resources
    1. University of Michigan Heart Sound and Murmur Library

Atrial sound (C0232240)

Concepts Finding (T033)
SnomedCT 48038003, 277454003
LNC LA18245-3
English Fourth heart sound, S4 (function), Fourth heart sound, S4, function (observable entity), Fourth heart sound, S4, Fourth heart sound, S<sub>4</sub> (function), Fourth heart sound, S<sub>4</sub>, function (observable entity), Fourth heart sound, S<sub>4</sub>, Fourth heart sound, S4, function, Fourth heart sound, S>4<, function, Fourth heart sound, S<sub>4</sub>, function, Fourth heart sound, S<sub>4</sub>, NOS, Fourth heart sound, S>4<, NOS, Fourth heart sound, S4, NOS, S4 heart sound (physical finding), fourth heart sound, heart sounds S4, S4 heart sound, heart sound s4, s4 heart sound, heart s4 sounds, Fourth cardiac sound, S4, Atrial sound, Fourth heart sound, S>4<, function (observable entity), Fourth heart sound, S>4<, Atrial sound (finding), Fourth heart sound, S>4< (function)
Dutch vierde harttoon
French Quatrième bruit du coeur
German vierter Herzton
Italian Quarto tono cardiaco
Portuguese 4º som cardíaco
Spanish Cuarto ruido cardiaco, cuarto ruido cardíaco, R<sub>4</sub>, cuarto ruido cardíaco, R4 (función), cuarto ruido cardíaco, R4, cuarto ruido cardíaco, R<sub>4</sub> (función), cuarto ruido cardíaco, R4 (entidad observable), cuarto ruido cardíaco, R<sub>4</sub> (entidad observable), cuarto ruido cardíaco, R>4< (entidad observable), cuarto ruido cardíaco, R>4< (función), cuarto ruido cardíaco, R>4<, ruido auricular (hallazgo), ruido auricular
Japanese 第4音, ダイ4オン
Czech Čtvrtá srdeční ozva
Hungarian Negyedik szívhang
Derived from the NIH UMLS (Unified Medical Language System)

You are currently viewing the original '\legacy' version of this website. Internet Explorer 8.0 and older will automatically be redirected to this legacy version.

If you are using a modern web browser, you may instead navigate to the newer desktop version of fpnotebook. Another, mobile version is also available which should function on both newer and older web browsers.

Please Contact Me as you run across problems with any of these versions on the website.

Navigation Tree