For example, many heart attack patients have undergone thrombolysis, a procedure that involves injecting a clot-dissolving agent to restore blood flow in a coronary artery (View an illustration of coronary arteries). This procedure is administered within a few (usually three) hours of a heart attack.
Hon Lik invented the e-cigarette to quit smoking â but now he's a dual user. Hon Lik, inventor of the e-cigarette, uses one of the devices in London on Tuesday. Hon Lik, the inventor of the e-cigarette, had hoped to kick his heavy smoking â the habit that killed his father. But the pharmacist, from Shenyang in north-east China, did not manage to quit. He now uses both â but says he only smokes tobacco because he has to check the flavours in his devices.
The U.S. Food and Drug Administration (FDA) describes an e-cigarette as a battery-operated device that turns nicotine, flavorings and other chemicals into a vapor that can be inhaled. The ones that contain nicotine offer varying concentrations of nicotine.