Infographic: History of heart care

Some tools doctors use everyday, like the stethoscope, EKG and blood pressure cuff, can be traced back to the early 1800s and 1900s. Since then, many discoveries -- big and small -- have helped people with heart conditions live longer, healthier lives.

Here's a snapshot of key milestones throughout the history of heart care. Which of these are familiar to you? Find where you or a loved one fit in the timeline.