Evidence map›Paper›PMID 42487656›Full record

ArticleClinical case reports2026

QTc Shortening After Oral Calcium Supplementation in a Poststroke Rehabilitation Patient Being Considered for Donepezil: A Case Report.

Benjamin Sims, Meghan Oram, Joshua Startup

Abstract read
In one paragraph

Article in Clinical case reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors.

Benjamin SimsUniversity of Michigan Ann Arbor Michigan USA.ORCID https://orcid.org/0009-0003-7557-5458
Meghan OramUniversity of Michigan Ann Arbor Michigan USA.
Joshua StartupUniversity of Michigan Ann Arbor Michigan USA.ORCID https://orcid.org/0009-0006-0923-215X

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In a 70-year-old inpatient rehabilitation patient after multifocal ischemic stroke, QTc prolongation delayed consideration of donepezil for aphasia. Mild hypocalcemia was treated with oral calcium carbonate, after which QTc shortened from 464 to 412 ms. Calcium supplementation may support QTc optimization, though causality remains uncertain.

Indexed as

donepezilhypocalcemiaQTc intervalstroke rehabilitation

Identifiers

PMID42487656
PMCPMC13389893

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.