CPR-dependent consciousness: Evidence for cardiac compression causing forward flow

We present the case of a patient with cardiac arrest and resuscitation in whom, consistent with direct cardiac compression, large aortic-to-right atrial systolic pressure gradients occurred. Forward blood flow during CPR was sufficient for the patient to maintain consciousness. Although aorticto-rig...

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Bibliographic Details
Published inAnnals of emergency medicine Vol. 18; no. 10; pp. 1111 - 1115
Main Authors Lewinter, Jody R, Carden, Donna L, Nowak, Richard M, Enriquez, Enrique, Martin, Gerard B
Format Journal Article
LanguageEnglish
Published New York, NY Mosby, Inc 01.10.1989
Elsevier
Subjects
Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy
Biological and medical sciences
Blood Circulation
Blood Pressure
Consciousness
CPR
Electrocardiography
Emergencies
Emergency and intensive cardiocirculatory care. Cardiogenic shock. Coronary intensive care
Female
Heart Arrest - physiopathology
Heart Arrest - therapy
Humans
Intensive care medicine
Medical sciences
Middle Aged
Resuscitation - methods
CPR
Human
Blood gas
Intensive cardiocirculatory care
Vigilance
Cardiocirculatory arrest
Arterial pressure
Hemodynamics
Monitoring
Cardiac massage
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Summary:We present the case of a patient with cardiac arrest and resuscitation in whom, consistent with direct cardiac compression, large aortic-to-right atrial systolic pressure gradients occurred. Forward blood flow during CPR was sufficient for the patient to maintain consciousness. Although aorticto-right atrial diastolic gradients adequate to maintain coronary perfusion in experimental models were generated, in our patient, cardiac function could not be restored and the resuscitation was ultimately unsuccessful.
Bibliography:ObjectType-Case Study-2
SourceType-Scholarly Journals-1
ObjectType-Feature-4
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ObjectType-Report-1
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ISSN:0196-0644
1097-6760
DOI:10.1016/S0196-0644(89)80942-4