Two-dimensional echocardiography plays a crucial role in the ICU, helping differentiate shock types, guide vasopressor use, and support goal-directed cardiac management. Bedside echocardiographic assessments enable real-time, life-saving decisions. However, mastering this skill is challenging due to the steep learning curve, especially for newly joined residents who face heavy workloads and limited study time. Traditional resources, such as dense textbooks and lengthy videos, often feel impractical in the fast-paced ICU setting. Intensivists, unlike cardiologists, must develop expertise across multiple systems—cardiovascular, respiratory, renal, and neurological—each with its own complexities. The overwhelming volume of theoretical literature can discourage residents, who may struggle to apply this knowledge practically. This gap often leads to uncertainty, reliance on senior colleagues, or even last-minute internet searches, potentially compromising patient care. In an environment where every second counts, delays in diagnosis or treatment can have dire consequences. To address this, we have developed a practical, easy-to-use guide tailored for intensivists and ICU residents. Our book prioritizes simplicity and usability, offering concise, targeted content that is immediately applicable at the bedside. It includes step-by-step guides, algorithms, normal values, and essential concepts, all designed for quick reference during busy shifts. Unlike traditional textbooks, this guide bridges the gap between theory and practice, distilling complex concepts into digestible, actionable steps. Additionally, it integrates ultrasound with other ICU monitoring tools to provide a comprehensive approach to patient management. Through knowledge cards and multimedia resources, we aim to empower ICU professionals to deliver swift, accurate, and safe patient care. This book is more than a reference—it is a tool to enhance medical education, patient safety, and ICU efficiency, ensuring that every intensivist is equipped to make confident, informed decisions in critical moments.