GTN (Anginine) Flashcards
(12 cards)
What type of drug is GTN
Nitrate smooth muscle relaxant and vasodilator
What is the presentation of anginine tablets
600mcg tablets
what are the actions of anginine
- Arterial and venous vasodilation
2. Dilation of collateral coronary vessels
What are the uses for GTN
- Relieve cardiac pain of ischaemic origin
- Pulmonary oedema
- Autonomic dysreflexia
What are the 4 adverse effects of GTN?
- Hypotension
- Headache
- Flushing of skin
- Occasionally -reflex bradycardia or tachycardia
What are the 6 contraindications of GTN?
- BP < 90
- HR < 50
- Viagra or Levitra within 24 hours
- Cialis in 4-5 days in elderly or 3-4 days in all other patients
- KSAR
- ^ ICP
What are the notes of admin on GTN?
- Pt should be sitting so bottle is upright
- Prior to each use prime spray
- Instruct pt to close mouth after admin and do not swallow or inhale
- Following each use alcho wipe. If significantly contaminated, discard
How soon should GTN Tablets be used?
3 months of opening bottle. Tablets should fizz if still potent
What is the dose for chest pain for both tablet and spray. Include max dose
Tablet- 1 tab may repeat once if necessary. Half tab (300mcg) if pt has never had GTN before or BP between 90-100mmHg
Spray- 1 x spray max 4 doses. 5 mins between dose
What is the max dose of GTN sprays for APO?
3 doses
What is the max dose for GTN spray for autonomic dysreflexia?
3 doses
What is the adult and paed anginine tablet dose for autonomic dysreflexia?
1/2 tab (300mcg) adult
1/4 tab (150mcg) paed (12-16yrs)