When should I withhold nitroglycerin?
“Nitrates should not be given to patients with hypotension, marked bradycardia or tachycardia, RV infarction, or 5’phosphodiesterase inhibitor use within the previous 24 to 48 hours.”
What should you avoid when taking nitroglycerin?
While taking nitroglycerin during an angina attack, you should avoid eating, drinking, smoking, or chewing tobacco. You should also avoid chewing or crushing a tablet that should be swallowed.
Why is nitroglycerin taken sublingually?
Nitroglycerin sublingual tablets are used to treat episodes of angina (chest pain) in people who have coronary artery disease (narrowing of the blood vessels that supply blood to the heart). It is also used just before activities that may cause episodes of angina in order to prevent the angina from occurring.
What do you check before giving nitroglycerin?
Check blood pressure and pulse before each administration of NTG–blood pressure can drop precipitously after a single dose. Hold dose if systolic BP < 90 mm Hg or more than 30 mm Hg below baseline. NTG is highly unstable and should be stored in light resistant container in cool environment (not the refrigerator).
What happens if you chew nitroglycerin?
Nitroglycerin sublingual tablets should not be chewed, crushed, or swallowed. They work much faster when absorbed through the lining of the mouth. Place the tablet under the tongue or between the cheek and gum, and let it dissolve. Do not eat, drink, smoke, or use chewing tobacco while a tablet is dissolving.
Is it OK to swallow a sublingual pill?
Sublingual versions of the same medicines can make taking prescription medications much easier, as the tablet does not need to be swallowed. Similarly, sublingual tablets are ideal for administration in patients who are unconscious and cannot swallow.
What happens if you take nitroglycerin?
Taking nitroglycerin when not needed can lead to severe headaches for one. It also could lead to an unsafe drop in blood pressure and can cause tachycardia which is a rapid heart rate, palpitations and fainting.
Does Nitro lower heart rate?
Nitro sublinguals instantly open whole body vascular system. For FIVE minutes. Period. It is only potent for 5 minutes….during which time heart rate is lower and blood takes more time to recirculate back into the heart chambers.
When to take Nitro pill?
The nitroglycerin tablet (Nitrostat ®) is a prescription medication used to treat sudden episodes of chest pain (angina). It can also be used just before physical activity, such as exercise or sexual intercourse, to help prevent anticipated chest pain.
What are the contraindications of Nitro?
Contraindications of using Nitrous Oxide Sedation Dentistry. The currently known contraindications to the use of nitrous oxide sedation include the following: Breathing problems – Lung conditions. Inhalation sedation is not indicated for people with respiratory problems (asthma or emphysema) or difficulty breathing in through the nose.