Vital signs courses can help you learn how to measure heart rate, blood pressure, respiratory rate, and temperature, along with understanding their significance in patient assessment. You can build skills in interpreting vital sign trends, recognizing abnormal readings, and applying critical thinking in emergency situations. Many courses introduce tools like sphygmomanometers for blood pressure measurement, thermometers for temperature, and pulse oximeters for oxygen saturation, all of that support effective monitoring and patient care.