Cardiogenic shock laboratory findings: Difference between revisions
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{{Cardiogenic shock}} | {{Cardiogenic shock}} | ||
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==Laboratory | ==Laboratory Findings== | ||
===Markers of Myonecrosis=== | ===Markers of Myonecrosis=== | ||
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An elevated [[white blood cell count]] ([[WBC]]) may suggest an alternate diagnosis of [[septic shock]], however, it should be noted that the [[WBC]] can be elevated in [[STEMI]] due to demarginization. A reduced hemoglobin may suggest an alternate diagnosis of [[hypovolemic shock]]. A reduced platelet count may suggest an alternate diagnosis of [[septic shock]]. | An elevated [[white blood cell count]] ([[WBC]]) may suggest an alternate diagnosis of [[septic shock]], however, it should be noted that the [[WBC]] can be elevated in [[STEMI]] due to demarginization. A reduced hemoglobin may suggest an alternate diagnosis of [[hypovolemic shock]]. A reduced platelet count may suggest an alternate diagnosis of [[septic shock]]. | ||
===Serum | ===Serum Electrolytes=== | ||
[[Hypophosphatemia]] should be excluded as an underlying cause. [[Hypophosphatemia]] mediated [[myonecrosis]] can be observed with the [[refeeding syndrome]] as phosphate is used to convert glucose to glycogen. | [[Hypophosphatemia]] should be excluded as an underlying cause. [[Hypophosphatemia]] mediated [[myonecrosis]] can be observed with the [[refeeding syndrome]] as phosphate is used to convert glucose to glycogen. | ||
===Serum | ===Serum Lactate=== | ||
The magnitude of [[lactic acidosis]] is a maker of the extent of hypoperfusion and is valuable in gauging a patient's prognosis. | The magnitude of [[lactic acidosis]] is a maker of the extent of hypoperfusion and is valuable in gauging a patient's prognosis. | ||
==References== | ==References== | ||
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Revision as of 16:01, 5 February 2013
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Laboratory Findings
Markers of Myonecrosis
An elevation of troponin and CK MB are diagnostic of myonecrosis. This would suggest either ST elevation MI, myocarditis, or myopericarditis, or myonecrosis due to profound hypophosphatemia.
Complete Blood Count
An elevated white blood cell count (WBC) may suggest an alternate diagnosis of septic shock, however, it should be noted that the WBC can be elevated in STEMI due to demarginization. A reduced hemoglobin may suggest an alternate diagnosis of hypovolemic shock. A reduced platelet count may suggest an alternate diagnosis of septic shock.
Serum Electrolytes
Hypophosphatemia should be excluded as an underlying cause. Hypophosphatemia mediated myonecrosis can be observed with the refeeding syndrome as phosphate is used to convert glucose to glycogen.
Serum Lactate
The magnitude of lactic acidosis is a maker of the extent of hypoperfusion and is valuable in gauging a patient's prognosis.