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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes An Elevated Heart Rate While On Diltiazem?

I have been taking diltiazem 120 mg for a while due to a flutter and now a fib. Today I was scheduled for a catheter cat scan. I am allergic to metoprolol so I took an extra dose last night and one his morning. My heart rate was 90 so they gave me ten mg of diltiazem, they repeated this four times each time my heart rate went up. Why didn t it lower my Rate?
Tue, 14 Nov 2017
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General & Family Physician,  's  Response
Hi,
Thank you for querry
you are taking diltiazem for Afib and fluttet to control rate as in the condition according to guide line for rate control beta blocker is 1st line and calcium channel blocker is second line diltiazem is calcium channel blocker which cause bradycardia not tachycardia.
for rythem control amiodarone and flecainide is used if it fails elecrocardiversion required to control heart rate and rythem.
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What Causes An Elevated Heart Rate While On Diltiazem?

Hi, Thank you for querry you are taking diltiazem for Afib and fluttet to control rate as in the condition according to guide line for rate control beta blocker is 1st line and calcium channel blocker is second line diltiazem is calcium channel blocker which cause bradycardia not tachycardia. for rythem control amiodarone and flecainide is used if it fails elecrocardiversion required to control heart rate and rythem.