Background Cardiac implantable electric devices are commonly used to treat heart failure. Little is known about temporal and geographic variation in use of cardiac resynchronization therapy (CRT) devices in usual care settings.
A hammer drill, also known as a rotary hammer, roto-drill or hammering drill, (see also rotary drill) is a rotary drill with a hammering action. The hammering action provides a short, rapid hammer thrust to pulverize relatively brittle material and provide quicker drilling with less effort.
Hammertoe is a physical deformity of the proximal interphalangeal joint within the second, third, or fourth toe. This causes the joint to remain bent, giving the toe a claw-like appearance. Several genetic factors are known to place an individual at risk for developing hammertoe, including Morton foot.