Book excerpt: During the COVID-19 pandemic, many coronavirus-positive patients faced myriad health issues during treatment and post treatment. Many people who lost their lives due to COVID-19 infection were also prone to other, previously established health issues including heart diseases, diabetes, hypertension, and more. It is essential to explore these different health issues and complications that patients face during and after COVID-19 treatment with respect to a global treatment group and the methods employed by healthcare professionals to help them overcome these complications with medicine and other treatments and precautions. Clinical Practice and Post-Infection Care for COVID-19 Patients creates a platform for healthcare professionals to share their experiences and treatments while handling COVID-19 patients during the pandemic and post-pandemic periods. The case studies and issues with heart patients and related diseases during the pandemic mentioned in this book can help medical care providers guide patients to take appropriate precautions well in advance of any adverse conditions, preserving their health and ability to recover. This book is ideally designed for medical practitioners, medical teachers, medical students, researchers, hospital administrators, nurses, and heart patients.