Diesel engines are different from gas engines in numerous ways, including their use of high compression ratios. Here's why ...

Compression socks apply pressure to your lower legs. This can help to increase blood flow and boost circulation, which can be especially helpful if you have venous insufficiency. Compression socks and ...

Emergency medical dispatchers give instructions on how to perform cardiopulmonary resuscitation (CPR) over the telephone to callers requesting help for a patient with suspected cardiac arrest, before ...

The role of rescue breathing in cardiopulmonary resuscitation (CPR) performed by a layperson is uncertain. We hypothesized that the dispatcher instructions to bystanders to provide chest compression ...