October 1, 1986HeartOpen Access

Failure of Quintech Tx pacemaker caused by loss of stimulus-T interval shortening during exercise.

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Population

1 patient (74-year-old man) with a Quintech Tx pacemaker

Design

Case_report

Authors

TFT. FyfeSouthern General Hospital JRJ F Robinson

Discussion

Member takes

Implication

Alerts clinicians to assess stimulus-T dynamics in paced patients with unexplained exercise intolerance; hypothesis-generating and requires confirmation in larger cohorts.

Structured PICO

Population

1 patient (74-year-old man) with a Quintech Tx pacemaker

Outcome

Cause of reduced exercise capacity and failure of heart rate to increase with effort

Highlights a specific mechanism of pacemaker failure where the stimulus-T interval fails to shorten during exercise, leading to chronotropic incompetence.

Cite This Study

Fyfe et al. (1986) studied this question.

synapsesocial.com/papers/6a7ab65b4c448619ca0e45e9 https://doi.org/10.1136/hrt.56.4.391

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Implication

Alerts clinicians to assess stimulus-T dynamics in paced patients with unexplained exercise intolerance; hypothesis-generating and requires confirmation in larger cohorts.

Failure of Quintech Tx pacemaker caused by loss of stimulus-T interval shortening during exercise.

Discussion

Member takes

Implication

Structured PICO

Cite This Study

Failure of Quintech Tx pacemaker caused by loss of stimulus-T interval shortening during exercise.

Discussion

Member takes

Implication

Structured PICO

Cite This Study

Also Consider

Also Consider