If you are still unsure of the ant species after observing them in action, collect a few to examine under a hand lens, magnifier, or microscope, if you have one. The easiest way to capture and kill ants for examination is to fill a small vial, pill container, or jar with a small amount of ethanol or rubbing alcohol. Use the end of a soft cloth, or a brush, wet with alcohol to pick up the ants and drop them in your container.
When the heart does not get enough oxygen, either during a heart attack orâ¦ for whatever other reason, it tends to go into ventricular tachycardia or fibrillation, which can be reversed, but must be done quickly. In children, the most common cause of cardiac arrest is hypoxia and respiratory distress or arrest.
Why Learn CPR? Cardiac arrest â an electrical malfunction in the heart that causes an irregular heartbeat (arrhythmia) and disrupts the flow of blood to the brain, lungs and other organs â is a leading cause of death. Each year, more than 350,000 out-of-hospital cardiac arrests occur in the United States.