When a doctor listens to the heart of a person with a heart murmur, they may hear a whooshing, swishing, humming, or rasping sound. This is due to rapid, turbulent blood flow through the heart.

Blood flows through the heart and generates noises known as heart sounds. These noises occur due to heart valves opening and closing as the heart pumps blood. A doctor can gain valuable information by ...

Researchers discover that heart cells in developing zebrafish start beating suddenly and all at once Becoming a full-fledged organism out of a handful of cells, complete with functioning tissues and ...