Nurturing Life Sciences
#Id: 10333
#Id: 5973
#Unit 10. Ecological Principles
#Id: 5306
#Unit 7. System Physiology – Animal
Fourth heart sound (S4)
Not audible in normal adults
Heard in ventricular hypertrophy, where ventricular compliance is decreased
#Id: 6524
#Id: 4883
#Unit 13. Methods in Biology
#Id: 9705
#Unit 4. Cell Communication and Cell Signaling