What Causes The Lub Dub Sound Of The Heart !!top!! -

The Meaning of the First and Second Heart Sounds Author(s): Abe Ravin, M.D. Journal: The American Journal of Cardiology Year: 1964 Volume/Issue: 13, Issue 5, Pages 692–694

Genesis of the First and Second Heart Sounds Authors: A. A. Luisada, D. M. MacCanon, et al. Journal: The American Journal of Cardiology (1972, but digital version available) PMC ID: Not available (pre-PMC), but you can find PDFs via institutional access. what causes the lub dub sound of the heart

Physiology of Heart Sounds and Murmurs Authors: Michael A. Chizner, MD Journal: Heart Disease: A Textbook of Cardiovascular Medicine (often updated; look for chapters in Braunwald’s Heart Disease) OR a dedicated review in Current Problems in Cardiology Example modern review: "Heart Sounds: From the Physiology to the Bedside" — Journal of Cardiovascular Medicine (various years, e.g., 2018, 2022) The Meaning of the First and Second Heart