VI.─The spread of the excitatory process in the vertebrate heart. Parts I-V

Q: What is the clinical evidence from this study?

Population: Normal cardiac electrical activity in the toad. Intervention: String galvanometer recording. Primary outcome: Electrocardiographic waveform characteristics.

Q: What does this research mean for the field?

Electrical recordings of the vertebrate toad heart demonstrate a consistent cardiac cycle sequence comprising P, R, S, and T deflections, alongside a distinct B deflection produced by activation of the truncus arteriosus. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

Thomas Lewis

doi:10.1098/rstb.1916.0006

January 1, 1916Philosophical Transactions of the Royal Society of London Series B Containing Papers of a Biological CharacterOpen Access

VI.─The spread of the excitatory process in the vertebrate heart. Parts I-V

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P

Population

Normal cardiac electrical activity in the toad

E

Exposure / Comparator

String galvanometer recording

O

Primary Outcome

Electrocardiographic waveform characteristics

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Thomas Lewis (1916) studied Normal cardiac electrical activity in the toad. String galvanometer recording was evaluated on Electrocardiographic waveform characteristics.

synapsesocial.com/papers/6ac49fa519883a6e82a54bd1 https://doi.org/10.1098/rstb.1916.0006

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VI.─The spread of the excitatory process in the vertebrate heart. Parts I-V

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VI.─The spread of the excitatory process in the vertebrate heart. Parts I-V

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