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