About pacemaker implantation

I have been implanted with DDDR pacemaker in Jan 2019. During inplantation one lead can not be fixed due to change in heart structure during heart operation which was done in 19th July 2018. Dr. said that actually i was requiring single lead pacemaker maker and where it requires is properly fixed.

Now my question is whether DDDR with single lead can work properly. 


5 Comments

which lead?

by Tracey_E - 2019-03-03 12:33:51

It sounds like you have SSS? The R in DDDR means rate response, which is the atrial lead. If that is the case, the atrial lead is doing all the work, the ventricular lead is mostly to provide information. As long as the atrial lead is the one working, you should be good to go.  

Yes, which lead?

by AgentX86 - 2019-03-03 21:02:45

The first two letters indicate the pacing mode.  The first letter denotes which chamber(s) are paced and the second, which chamber is sensed.

A=Atrium

V=Ventricle

D=Dual

Obviously, missing a lead (either) you can't be paced DDxx, rather it would be AAxx or VVxx.   That doesn't mean it's very bad but more information is needed.

BTW, the third letter in the code is:

I= Inhibited (if heart's pulse is sensed, the pacemaker's is inhibited)

T=Triggered (if the heart's pulse is sensed, the pacemaker triggers at the appropriate time anyway)

D=Dual (the pacemaker decides which of the above modes to use)

Not all combinations of these three modes are used.

About pacemaker implantation

by aruncpure - 2019-03-04 05:59:33

The RA lead is removed. I have the Left bundle branch block. Irregular heartbeats and that too on lower side.

First you have to ask the right question

by Gotrhythm - 2019-03-04 17:24:28

If I understand you corrrectly, you seem to think a DDDR is a kind of pacemaker. It isn't. 

Pacemakers can be either single lead or dual lead. It sounds like you have a single lead in the ventricle.

DDDR is a mode. A mode is a way the pacemaker can be set to operate. There are four modes, indicated by four letters. The first letter tells which leads, either A atrial, V ventricle, or D dual (both leads), will be active. There is a very good Youtube video on pacemaker modes that will explain pacemaker modes in more detail.

Now we get to the crux of your question, and maybe the reason for your confusion. The first letter D of DDDR, would indicate dual lead, meaning both leads are turned on and operating. But in your case that's not possible, since you have only one lead implanted. So I don't know what mode your pacemaker is set at, but I'm pretty sure it isn't DDDR. Since only the ventricle lead is activated, the first letter of the mode setting should be V.

Hopefully, I have given you enough information to ask questions of your doctor and pacemaker tech so that you can get some ssatisfactory answers.

 

Pacemaker setting

by aruncpure - 2019-03-10 05:33:04

I am facing the problem of discomfort & heaviness in the head during travelling in the car.

Is there any setting in the pacemaker for the vehicle sensitivity. 

 

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I've seen many posts about people being concerned about exercise after having a device so thought I would let you know that yesterday I raced my first marathon since having my pacemaker fitted in fall 2004.