DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Editorial use only.
Glytrin cardiac spray. Packaging for a spray can form of glyceryl trinitrate (GTN, nitroglycerin). GTN is a vasodilator (blood vessel widening) drug used to treat angina pectoris, pain due to the constriction of the cardiac arteries, and hypertension (high blood pressure). This is a sublingual form, sprayed under the tongue.
Model release not required. Property release not required.