Medical emergencies refer to sudden, unexpected, and often life-threatening situations that require immediate medical attention. These emergencies can range from severe injuries and acute illnesses to sudden changes in medical conditions that pose a threat to a person's health or life. Common medical emergencies include heart attacks, strokes, severe allergic reactions, and respiratory distress. Prompt and appropriate medical intervention is critical in these situations to prevent further harm and potentially save a person's life. Emergency medical services and healthcare professionals play a crucial role in the assessment, diagnosis, and treatment of medical emergencies.