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Case Reports
. 2021 May 18;7(11):717-721.
doi: 10.1016/j.hrcr.2021.05.005. eCollection 2021 Nov.

Increased device thresholds with subsequent improvement status post-systemic therapy in a patient with multiple myeloma

Jake Cordell Martinez  1 , Bashar Khiatah  1 , Sam Jazayeri  1 , Karlos Z Oregel  2 , Jonathan Walter Dukes  1   3
Affiliations
Case Reports

Increased device thresholds with subsequent improvement status post-systemic therapy in a patient with multiple myeloma

Jake Cordell Martinez et al. HeartRhythm Case Rep. .
No abstract available

Keywords: Cardiac amyloidosis; Chemotherapy; Device failure; Increasing device thresholds; Multiple myeloma.

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Figures

Figure 1
Figure 1
Twelve-lead electrocardiogram obtained in emergency department after the patient presented with a 2-week history of dizziness, showing atrial capture with prolonged PR interval.
Figure 2
Figure 2
Device interrogation obtained while in emergency department showing atrial capture with prolonged AV conduction delay resulting in first-degree AV block with intermittent ventricular noncapture.
Figure 3
Figure 3
Device threshold trends of right atrial lead (Top) and right ventricular lead (Bottom) over the past 19 months. Red arrow indicates approximate timing of official multiple myeloma diagnosis based on bone marrow biopsy.
See this image and copyright information in PMC

References

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    1. Levine P.A. Management of the patient with an acute massive rise in the capture threshold. Indian Pacing Electrophysiol J. 2001;1:35–37. - PMC - PubMed

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