Publications by authors named "J Karreman"

Background: With the introduction of online health screenings, guidelines describing how to communicate about a person's health need to be adapted for a digital setting. This study aimed to uncover older adults' preferences regarding such online messages.

Materials And Methods: Thirty older adults (aged 65 to 75 years) viewed four versions of the results message of a screening aimed at identifying frailty: a standard, empathic, tailored, or both empathic and tailored message.

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Background: Antimicrobial resistance poses a threat to patient safety worldwide. To stop antimicrobial resistance, Antimicrobial Stewardship Programs (ASPs; programs for optimizing antimicrobial use), need to be implemented. Within these programs, nurses are important actors, as they put antimicrobial treatment into effect.

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A noninvasive method of recording His-bundle activity was developed in our laboratory. This technique is based on the principle of high-gain amplification of the external signals, use of appropriate filters to eliminate random noise, and averaging of the amplified signals over 200-500 cardiac cycles to improve the signal-to-noise ratio. Using this technique we were able to demonstrate external His-bundle activity and to measure the extent His-bundle-ventricular (H-V) interval in 29 of 51 (60%) patients referred to our unit for evaluation of conduction abnormalities or history of collapse.

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