Cardiogenic shock causes: Difference between revisions
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{{Cardiogenic shock}} | {{Cardiogenic shock}} | ||
{{CMG}} | {{CMG}} | ||
==Causes== | ==Causes== | ||
The causes of cardiogenic shock can be classified on the basis of the underlying pathophysiologic mechanism: | The causes of cardiogenic shock can be classified on the basis of the underlying pathophysiologic mechanism: | ||
===Systolic | ===Systolic Left Ventricular Dysfunction=== | ||
*[[Acute MI]] | *[[Acute MI]] | ||
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* [[Septic shock]] with myocardial depression | * [[Septic shock]] with myocardial depression | ||
===Diastolic | ===Diastolic Left Ventricular Dysfunction=== | ||
*Subendocardial [[ischemia]] | *Subendocardial [[ischemia]] | ||
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*[[Hypertensive crisis]] | *[[Hypertensive crisis]] | ||
===Obstruction of | ===Obstruction of Left Ventricular Outflow and Increased After Load=== | ||
*[[Aortic stenosis]] | *[[Aortic stenosis]] | ||
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*[[Malignant hypertension]] | *[[Malignant hypertension]] | ||
===Reversal of | ===Reversal of Flow into the Left Ventricle=== | ||
*[[Aortic insufficiency]] | *[[Aortic insufficiency]] | ||
| Line 50: | Line 48: | ||
*[[Aortic dissection]] | *[[Aortic dissection]] | ||
===Inadequate | ===Inadequate Left Ventricular Filling due to Mechanical Causes=== | ||
*[[Tamponade]] | *[[Tamponade]] | ||
* [[Mitral stenosis]] | * [[Mitral stenosis]] | ||
* [[Atrial myxoma]] | * [[Atrial myxoma]] | ||
===Inadequate | ===Inadequate Left Ventricular Filling due to Inadequate Filling Time=== | ||
*[[Tachycardia]] | *[[Tachycardia]] | ||
*Tachycardia mediated [[cardiomyopathy]] | *Tachycardia mediated [[cardiomyopathy]] | ||
===Conduction | ===Conduction Abnormalities=== | ||
*[[Atrioventricular block]] | *[[Atrioventricular block]] | ||
*[[Sinus bradycardia]] | *[[Sinus bradycardia]] | ||
===Mechanical | ===Mechanical Defect=== | ||
*[[Ventricular septal defect]] ([[VSD]]) | *[[Ventricular septal defect]] ([[VSD]]) | ||
* Ruptured chordae | * Ruptured chordae | ||
*Myocardial rupture of the left ventricular free wall | *Myocardial rupture of the left ventricular free wall | ||
===Right | ===Right Ventricular Failure=== | ||
*[[Pulmonary embolism]] | *[[Pulmonary embolism]] | ||
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==References== | ==References== | ||
{{ | {{Reflist|2}} | ||
[[Category:Needs overview]] | |||
[[Category:Cardiology]] | |||
[[Category:Cardiovascular diseases]] | |||
[[Category:Medical emergencies]] | |||
[[Category:Intensive care medicine]] | |||
[[Category:Emergency medicine]] | |||
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{{ | {{WikiDoc Sources}} | ||
Revision as of 16:38, 5 February 2013
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Causes
The causes of cardiogenic shock can be classified on the basis of the underlying pathophysiologic mechanism:
Systolic Left Ventricular Dysfunction
- Hypophosphatemia as can be seen in the refeeding syndrome)
- Septic shock with myocardial depression
Diastolic Left Ventricular Dysfunction
- Subendocardial ischemia
- Excess wall stress
Obstruction of Left Ventricular Outflow and Increased After Load
Reversal of Flow into the Left Ventricle
Inadequate Left Ventricular Filling due to Mechanical Causes
Inadequate Left Ventricular Filling due to Inadequate Filling Time
- Tachycardia mediated cardiomyopathy
Conduction Abnormalities
Mechanical Defect
- Ventricular septal defect (VSD)
- Ruptured chordae
- Myocardial rupture of the left ventricular free wall
Right Ventricular Failure
Iatrogenic
- Iatrogenic due to excess administration of vasodilators and venodilators
- Apical balloon syndrome