What happens when the heart doesn't pump blood effectively to the body? How would a person feel?

Low-output symptoms, which are caused by the inability of the heart to generate enough cardiac output, leading to reduced blood flow to the brain and other vital organs. These symptoms may include lightheadedness, fatigue, and low urine output.

they would first feel sick and then after  24 hours (i d k actual time period)

they would die

Explanation:

i dont know for shure but this is my asumtion of what would happen

hope this helps