Cardiogenic shock classification: Difference between revisions
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In cardiogenic shock the root abnormality is the inability of the [[heart]] to pump out enough [[blood]] to maintain normal organ [[perfusion]] and [[blood pressure]]. However, this [[pump failure|failure]] may be due to different factors, which allow us to classify cardiogenic shock into two categories:<ref>{{Cite book | last1 = Longo | first1 = Dan L. (Dan Louis) | title = Harrison's principles of internal medici | date = 2012 | publisher = McGraw-Hill | location = New York | isbn = 978-0-07-174889-6 | pages = }}</ref><ref>{{cite book | last = Myers | first = Jeffrey | title = Principles of pathophysiology and emergency medical care | publisher = Delmar/Thomson Learning | location = Albany | year = 2002 | isbn = 978-0766825482 }}</ref> | In cardiogenic shock the root abnormality is the inability of the [[heart]] to pump out enough [[blood]] to maintain normal organ [[perfusion]] and [[blood pressure]]. However, this [[pump failure|failure]] may be due to different factors, which allow us to classify cardiogenic shock into two categories:<ref>{{Cite book | last1 = Longo | first1 = Dan L. (Dan Louis) | title = Harrison's principles of internal medici | date = 2012 | publisher = McGraw-Hill | location = New York | isbn = 978-0-07-174889-6 | pages = }}</ref><ref>{{cite book | last = Myers | first = Jeffrey | title = Principles of pathophysiology and emergency medical care | publisher = Delmar/Thomson Learning | location = Albany | year = 2002 | isbn = 978-0766825482 }}</ref> | ||
*'''Intrinsic''' - this includes the conditions affecting the heart or the structures that allow it to function properly. In this category, the affected structures may be: the [[myocardium|myocardial muscle]], responsible to pump out the blood; the [[heart valves]] allowing the [[blood]] in and out of the [[heart]] chambers; the conduction system, responsible for the transmission of the electrical signals that allow the myocardium to contract in a coordinated fashion or, a combination of the previous. | *'''Intrinsic''' - this includes the conditions affecting the heart or the structures that allow it to function properly. In this category, the affected structures may be: the [[myocardium|myocardial muscle]], responsible to pump out the blood; the [[heart valves]] allowing the [[blood]] in and out of the [[heart]] chambers; the conduction system, responsible for the transmission of the electrical signals that allow the myocardium to contract in a coordinated fashion or, a combination of the previous. | ||
*'''Compressive''' - this includes the conditions in which | *'''Compressive''' - this includes the conditions in which an "healthy [[heart]]" is prevented from working properly and pumping the blood through the vascular system by a mechanism not related to the heart. | ||
Often times both factors are affecting the [[heart]]'s ability to perform its function, at which times it might be hard to identify clearly the underlying mechanism of the cardiogenic shock.<ref>{{cite book | last = Myers | first = Jeffrey | title = Principles of pathophysiology and emergency medical care | publisher = Delmar/Thomson Learning | location = Albany | year = 2002 | isbn = 978-0766825482 }}</ref> | Often times both factors are affecting the [[heart]]'s ability to perform its function, at which times it might be hard to identify clearly the underlying mechanism of the cardiogenic shock.<ref>{{cite book | last = Myers | first = Jeffrey | title = Principles of pathophysiology and emergency medical care | publisher = Delmar/Thomson Learning | location = Albany | year = 2002 | isbn = 978-0766825482 }}</ref> | ||
Revision as of 17:35, 17 May 2014
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: João André Alves Silva, M.D. [2]
Overview
Classification
In cardiogenic shock the root abnormality is the inability of the heart to pump out enough blood to maintain normal organ perfusion and blood pressure. However, this failure may be due to different factors, which allow us to classify cardiogenic shock into two categories:[1][2]
- Intrinsic - this includes the conditions affecting the heart or the structures that allow it to function properly. In this category, the affected structures may be: the myocardial muscle, responsible to pump out the blood; the heart valves allowing the blood in and out of the heart chambers; the conduction system, responsible for the transmission of the electrical signals that allow the myocardium to contract in a coordinated fashion or, a combination of the previous.
- Compressive - this includes the conditions in which an "healthy heart" is prevented from working properly and pumping the blood through the vascular system by a mechanism not related to the heart.
Often times both factors are affecting the heart's ability to perform its function, at which times it might be hard to identify clearly the underlying mechanism of the cardiogenic shock.[3]
References
- ↑ Longo, Dan L. (Dan Louis) (2012). Harrison's principles of internal medici. New York: McGraw-Hill. ISBN 978-0-07-174889-6.
- ↑ Myers, Jeffrey (2002). Principles of pathophysiology and emergency medical care. Albany: Delmar/Thomson Learning. ISBN 978-0766825482.
- ↑ Myers, Jeffrey (2002). Principles of pathophysiology and emergency medical care. Albany: Delmar/Thomson Learning. ISBN 978-0766825482.