1. Introduction to photoplethysmography Panicos A. Kyriacou 2. The origin of photoplethysmography Panicos A. Kyriacou and Subhasri Chatterjee 3. Photoplethysmography technology Karthik Budidha and Panicos A. Kyriacou 4. Photoplethysmography signal processing and synthesis Elisa Mejia-Mejia, John Allen, Karthik Budidha, Chadi El-Hajj, Panicos A. Kyriacou, and Peter H. Charlton 5. Photoplethysmography in oxygenation and blood volume measurements Tomas Ysehak Abay and Panicos A. Kyriacou 6. Photoplethysmography for the assessment of peripheral vascular disease John Allen 7. Photoplethysmography assessment of arterial stiffness and endothelial function Dingchang Zheng, Yang Yao, Iona Morrison, and Steve Greenwald 8. Low frequency variability in photoplethysmography and autonomic function assessment John Allen and Fei Chen 9. Physical and physiological interpretations of the photoplethysmography signal Meir Nitzan and Zehava Ovadia-Blechman 10. Photoplethysmography in clinical monitoring Aymen Alian and Kirk Shelley 11. Photoplethysmography in non-invasive blood pressure monitoring Ramakrishna Mukkamala, Jin-Oh Hahn, and Anand Chandrasekhar 12. Wearable photoplethysmography devices Peter H. Charton and Vaidotas Marozas 13. Imaging photoplethysmography and its applications Alexei A. Kamshilin and Oleg V. Mamontov 14. Photoplethysmography: new trends and future directions Panicos A Kyriacou and James M. May