What does this research mean for the field?

In patients with complete heart block, the regulation of cardiac output during exercise at a fixed heart rate is dependent on compensatory changes in stroke volume. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

The aim is to describe cardiovascular dynamics in complete heart block across different heart rates and during exercise.

October 1, 1964CirculationOpen Access

Cardiovascular Dynamics in Complete Heart Block at Various Heart Rates

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Why the study?

How do stroke volume and heart rate contribute to the regulation of cardiac output in patients with complete heart block at various heart rates and during exercise?

Population

Patients with complete heart block

Authors

ABAlberto BenchimolGood Samaritan Hospital YLYeou-Bing LiScripps Health EDE. Grey DimondAmerican College of Radiology

Discussion

Member takes

Implication

Offers descriptive physiology in complete heart block; leaves open whether stroke volume compensation informs individualized pacing.

Key Points

The aim is to describe cardiovascular dynamics in complete heart block across different heart rates and during exercise.
Examined cardiovascular dynamics in patients with complete heart block at varying heart rates.
Analyzed the effects of exercise on heart rate and stroke volume in regulating cardiac output.
Findings highlight significant contributions of stroke volume and heart rate to cardiac output in complete heart block.
Exercise at fixed heart rate affects cardiovascular dynamics and alters cardiac output effectively.

Structured PICO

How do stroke volume and heart rate contribute to the regulation of cardiac output in patients with complete heart block at various heart rates and during exercise?

Population

Patients with complete heart block

Intervention

Various heart rates and exercise at a fixed heart rate

Outcome

Cardiovascular dynamics (contributions of stroke volume and heart rate in the regulation of cardiac output)surrogate

This report aims to describe the physiological contributions of stroke volume and heart rate to cardiac output in patients with complete heart block.

Cite This Study

Benchimol et al. (1964) studied this question.

synapsesocial.com/papers/6a1bd1ddea84844e355f0647 https://doi.org/10.1161/01.cir.30.4.542

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Cardiovascular Dynamics in Complete Heart Block at Various Heart Rates

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Cardiovascular Dynamics in Complete Heart Block at Various Heart Rates

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Also Consider

Also Consider