This book is a compilation of chapters that discuss the most vital concepts and emerging trends in the fields of cardiology and angiology. Cardiology is the branch of medical science that deals with heart related diseases while angiology studies the diseases of lymphatic system and blood vessels. These are interrelated fields as angiology tries to prevent diseases related to cardiovascular systems such as heart attack and strokes. Diagnostic procedures include auscultation, echocardiography, cardiac stress test, sphygmomanometer, cardiovascular magnetic resonance imaging, cardiac marker, optical coherence tomography, etc. Cardiology and angiology are upcoming branches of medical science that have undergone rapid development over the past few decades. This book covers in detail some existent theories and innovative concepts revolving around these disciplines. It will provide comprehensive knowledge to all the readers including researchers, doctors and students.