Term
What is the rationale for drug treatment of angina? |
|
Definition
- symptom relief - reduce risk of death or MI |
|
|
Term
What is the rationale for for the use of low dose in the treatment of cholesterol and hypertension? |
|
Definition
|
|
Term
When are short acting nitrates used? |
|
Definition
treat acute attacks of angina OR; immediately before strenuous activity that may precipitate an attack |
|
|
Term
What are short acting nitrates? |
|
Definition
glyceryl trinitrate: 600mcg sublingual tablet (Anginine); spray 400mc (Nitrolingual) isosorbide dinitrate - sublingual tablet 5mg or tablet 10mg (Isordil) |
|
|
Term
How is anginine (glyceryl trinitrate sublingual tablets) used in the case of acute angina attack |
|
Definition
Sit or lie down before use as the drug may cause drowsiness 1 tablet every 5 min. If pain persist after 15mg over 15min, treat as heart attack ->ambulance/hospitalisation Spit or swallow what is left of tablet after pain has been relieved |
|
|
Term
When are long acting nitrates indicated |
|
Definition
prevention of angina in patients with more frequent symptoms |
|
|
Term
What long acting nitrate preparations are available |
|
Definition
Transdermal GTN 5/10/15 mg/24hr (Transiderm, Minitran, Nitro-Dur) |
|
|
Term
What are the counselling points for using GTN patches? |
|
Definition
-apply to clean, dry chest or upper arm -ensure a nitrate-free period of 10-12 hours each day to avoid tolerance |
|
|
Term
What are the counselling points on anginine tablets (other than how to use)? |
|
Definition
-discard any left over tablets 3 months after opening bottle (helpful to write down on bottle opening date) -store in cool dry dark place |
|
|
Term
Why might the nitrolingual spray be more suited for patients with infrequent angina than anginine tablets? |
|
Definition
longer shelf-life; till expiry date (not 3 months after opening). |
|
|
Term
|
Definition
Isosorbide dinitrate sublingual tab (5 mg), or tab (5-10 mg) |
|
|
Term
What is the onset of action and duration of GTN spray and sublingual tablet |
|
Definition
onset: <5 min duration: <1 h |
|
|
Term
What is the onset of action of a GTN patch |
|
Definition
|
|
Term
what is the onset of action and duration of isosorbide mononitrate tablet (Imtrate, Monodur, Imdur) |
|
Definition
1-2 hours; prolonged (they are controlled release products. |
|
|
Term
|
Definition
isosorbide dinitrate tablet 10mg |
|
|
Term
How is the sublingual spray used? |
|
Definition
Prime with 5 sprays before first use, or not used for 4 months. Prime with 1 spray if not used for 7 days. Aim spray under tongue and press nozzle once - do not inhale spray. |
|
|
Term
For patients in whom there is a contraindication to a beta blocker, what may be substituted to maintain stable angina. |
|
Definition
diltiazem or verapamil AND/OR GTN transdermal or isosorbide mononitrate |
|
|
Term
What is the dose of nondihydropyridine CCBs in management of stable angina |
|
Definition
diltiazem 30-120mg tds diltiazem controlled release 180-360mg d verapamil 40-120mg bd or tds verapamil sustained release 160-480mg d |
|
|
Term
What is Cardizem and Cardizem CD |
|
Definition
diltiazem 60mg tab diltiazem controlled delivery 180/240/360 |
|
|
Term
What is Isoptin and Isoptin SR |
|
Definition
verapamil tab 40,80,120,160mg verapamil sustained release 180,240mg |
|
|
Term
|
Definition
verapamil sustained release 180,240mg |
|
|
Term
|
Definition
nicorandil - k channel opener with nitrate moeity *added or substituted when BB does not prevent angina |
|
|
Term
What may be added when BB alone does not prevent angina |
|
Definition
dihydropyridine CCB (amlodipine NORVASC, nifedipine ADALAT); AND/OR GTN transderm OR isorbide mononitrate SR AND/OR nicorandil IKOREL |
|
|