Abstract
Background: The dual-chamber, rate-modulated mode (referred to as DDDR) is the most recent cardiac pacing mode to become available. It restores both rate responsiveness and atrioventricular synchronization in patients with sinus node dysfunction and atrioventricular block. This pacing method combines rate-modulated dual-chamber and single-chamber technology. As a result, it is required to program both a maximum and a minimum. tracking rate and a maximum sensor rate, as in dual-chamber and single-chamber rate-modulated devices, respectively.
 Case Presentation: A 55-year-old female was admitted to A.V. B.R. Hospital with a complaint of breathlessness on exertion chest pain last 10 days. The patient has had hypothyroidism seen 2 years. No history of Hypertension and Diabetes Mellitus, Patient was conscious and oriented, All the investigation was done. FORTIFY SSURA VVED DDDR pacing (MRI compatible) was connected to lead, P-wave 3:2- 4.0, R- wave 9.2- 11.5mV. Device positioned in right infra-clavicular pocket.
 Conclusions: A 55-year-old female patient was admitted to the hospital with the chief complaint of breathlessness on exertion chest pin last 10 days. After all investigation patient was diagnosed with a case of permanent DDDR pacemaker. Now she is going to under a pacemaker procedure and treatment. Now patient prognosis is better than the previous and I advise the patient for the regular 15 days follow-up.
Highlights
The myocardium, one or more pacing leads, and a power source with programmable electronics make up the basic pacing circuit. a signal electrical the stimulation passes from the pulse generator to the myocardium's wall via the leads
This means they detect the electrical activity of the heart and only fire when the HR falls below a certain threshold
FORTIFY ASSURA VVED DDDR Pacing Device (MRI Compatible) was connected to lead Rate kept at BOS 100 BPM & EOS 85 BPM Sensitivity 2.0m V P-wave 3:2-4.0 R-wave 9.2-11.5 mV
Summary
Demand pacemakers make up the majority of pacemakers This means they detect the electrical activity of the heart and only fire when the HR falls below a certain threshold. The dual-chamber, rate-modulated mode (referred to as DDDR) is the most recent cardiac pacing mode to become available. It restores both rate responsiveness and atrioventricular synchronization in patients with sinus node dysfunction and atrioventricular block. This pacing method combines rate-modulated dual-chamber and single-chamber technology. Conclusions: A 55-year-old female patient was admitted to the hospital with the chief complaint of breathlessness on exertion chest pin last 10 days.
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