One in three people worldwide will develop a potentially life-threatening heart rhythm disorder in their lifetime, yet awareness remains critically low. With cases rising rapidly, cardiologists from ...

Note in lead V5 rhythm strip how the amplitude of the QRS complexes vary, however not beat to beat as would be seen in electrical alternans. This variation can occur with the respiratory cycle as ...

In this activity, students will learn about theme and variation as a compositional form and put their own spin on a familiar melody through group improvisation. "Theme and variation" is a popular ...