You can catch an infection in some first-aid situations, but helping someone does not automatically mean you will. The real risk depends on the kind of contact and whether blood or body fluids reach a true exposure route.
Two-rescuer CPR works better because one person can stay on compressions while the other handles breaths, the AED, timing, and the switch. That split helps protect compression quality before fatigue starts causing long pauses and shallow pushes.
Hands-Only CPR is the AHA’s public two-step response for a teen or adult who suddenly collapses: call 911 and start chest compressions right away.
The 7 steps of CPR give bystanders a simple order to follow when someone collapses: check the scene, call 911, assess breathing, start compressions, bring in the AED, and keep going until help takes over.
The recovery position is for a person who is unresponsive or barely awake but still breathing normally. It helps protect the airway while you wait for EMS, especially when vomiting or poor airway control is part of the picture.
Renewing CPR works best when you start with the card you already have, match the course name, book before the deadline, handle the required materials, and keep the new card easy to find.
Burn first aid depends on what caused the burn. A minor kitchen scald, a chemical exposure, and an electrical injury may all damage skin, but they do not call for the same first response.
For the AHA BLS card most readers mean here, CPR certification lasts 2 years. The bigger issue is not the number itself but making sure the card stays current before a job, school, or clinical site checks it.
In most workplace bloodborne-pathogens training, the same three names come up over and over: hepatitis B, hepatitis C, and HIV. They matter because exposure-control plans, sharps safety, and post-exposure response are built around them.
AED pad placement is easier than it feels in the moment: on an adult, one pad usually goes upper right chest and the other lower left. For children and infants, the real job is following the pad diagrams and keeping the pads from touching.
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