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September 1, 1970HeartOpen Access

Phasic aortic flow velocity in patients with pulsus alternans

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Population

2 patients with pulsus alternans

Design

Case_series

Authors

ABAlberto BenchimolGood Samaritan HospitalEBEgeu C. BarretoSTStephen Tio

Discussion

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Implication

Confirms stroke volume variation in pulsus alternans via direct flow; leaves open whether velocity monitoring informs management beyond this case.

Structured PICO

P
Population
2 patients with pulsus alternans
I
Intervention
Measurement of phasic aortic flow velocity using a flow velocity probe connected to a Doppler ultrasonic flowmeter system
O
Outcome
Variations in beat-to-beat peak velocity and correlation with arterial and ventricular systolic pressuressurrogate

Direct measurement of aortic flow velocity confirms that stroke volume varies beat-to-beat in patients with pulsus alternans.

Cite This Study

Benchimol et al. (1970) studied this question.

synapsesocial.com/papers/6a904099d30595a0c64dcbe0https://doi.org/10.1136/hrt.32.5.696
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Pulsus Alternans in Aortic Stenosis1958 · 36 citations
  2. 2Studies on Starling's Law of the Heart1962 · 105 citations
  3. 3Blood Flow Measured by Doppler Frequency Shift of Back-Scattered Ultrasound1961 · 371 citations
  4. 4The Henry Jackson Memorial Lecture1952 · 116 citations
  5. 5Severe Pulsus Alternans Associated with Primary Myocardial Disease in Children1966 · 43 citations