3 types of angin
STABLE: angina come on with activity or emotional stress and resolves with NTG
UNSTABLE: chest pain even at rest or not resolving with rest or NTG
VASOPASTIC (PRINZMETAL OR VARIANT ANGINA)
- due to coronary artery spasm. occurs when pt is at rest usually between midnight or early morning
angina treatment for chronic stable angina
TX FOR UNSTABLE ANGINA
-MED EMERGENCY –MONA
NTG followe by IV NTG
BB IV mostly Metoprolol
Vasopastic angina tx
aka. Prinzmetal or Variant angina
- CCB 1stline (verapmil, diltiazem, Nicardipine)
- Nitrate subling NTG prn
Nitrates MOA, AE, Monitor
Nitrates DUR
Nitroglycerin IV
ISosorbide dinitrate
Oral tab (Isodril titradose)
- 7am,noon, 5pm
Oral SR( Dilatrate SR caps)
- take 8am and 2pm
- may be cut in half, but not chewed or crushed (swallow whole)
allow nitrate free period to help minimize tolerance
Isosorbide mononitrate
XR (Imdur)
- QD
- may be cut in half
- do not use for acute angina
NTG sublingual tab
SL tab can also be use propylactically 5-10 min prior to activities
NTG counseling
keep SL tab in orginal bottle
IF SL not available use Amyl Nitrate(2-6 Inh)
Nitroglycerin spray
Nitroglycerin SL Powder (GoNitro)
-** sublingual powder 0.4 mg / packet**
- max of 3 pack in 15 min
- may use ppx 5-10 min prior to activites that may provoke angina attack
NTG ointment 2% ( NItro BID)
apply 1/2 inch upon rising and 1/2 inch 6 hour later
- Max 2 dose/day
- 1inch ointment : 15mg
- apply for nitrate free period of 10-12 hrs each day
NTG transdermal Patch
Mintran, Nitro-Dur
for anginal ppx
do not use for acute attack
BB blocker inchronic angina treatment
BB 1st line (should not be use in pt with vasopastic angina- may ind coronary vasospasm)
BB effect:
- dec HR, myocardial contractilty, afterload
chronic angina treatment
** BB 1st line**
-** CCB (either added to BB or substitued for BB)
- Recommend swithcing to verapmil, diltiazem or adding Long acting dhp - amlodipine
- Long Acting Nitrates ( isosorbide mononitrate XR, Nitro-Dur patch)
** - Ranolazine (Ranexa)
Vasospastic angina tx
- CCB: verapmil or Diltazem (non-dhp)
-** Long acting nitrates**
- all pt should have rapid acting nitrate for acute angina
non dhp: verampil neg ionotrope and chronotrope
Ranolazine