decompensation

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Related to Decompensated: decompensated shock, decompensated heart failure

decompensation

 [de″kom-pen-sa´shun]
1. any failure of homeostatic mechanisms.
2. inability of the heart to maintain adequate circulation; it is marked by dyspnea, venous engorgement, cyanosis, and edema.
3. in psychiatry, the failure of defense mechanisms, which results in progressive personality disintegration.

de·com·pen·sa·tion

(dē'kom-pen-sā'shŭn), Avoid substituting this word for deterioration or failure in cases where there has been no previous compensation.
1. A failure of compensation in heart disease.
2. The appearance or exacerbation of a mental disorder due to failure of defense mechanisms.

decompensation

/de·com·pen·sa·tion/ (de″kom-pen-sa´shun)
1. inability of the heart to maintain adequate circulation, marked by dyspnea, venous engorgement, and edema.
2. in psychiatry, failure of defense mechanisms resulting in progressive personality disintegration.

decompensation

(dē′kŏm-pən-sā′shən)
n.
1. Medicine The inability of a bodily organ or system, especially the circulatory system, to maintain adequate physiological function in the presence of disease.
2. Psychology The inability to maintain defense mechanisms in response to stress, resulting in personality disturbance or psychological imbalance.

de·com′pen·sate′ v.

decompensation

[dē′kəmpənsā′shən]
Etymology: L, de + compensare, to balance
1 the failure of a system, as cardiac decompensation in heart failure.
2 (in psychology) the failure of a defense mechanism.

decompensation

Medtalk An acute exacerbation or worsening of a clinical condition–eg schizophrenia, renal failure, liver failure, which had been held in check by compensatory mechanisms Psychiatry The exacerbation of a mental condition–eg schizophrenia, that occurs when corrective mechanisms cannot maintain the individual at an optimal level of functioning; the deterioration of existing defenses, leading to an exacerbation of pathologic behavior. See Nervous breakdown.

de·com·pen·sa·tion

(dē-kom'pĕn-sā'shŭn)
1. A failure of compensation in heart disease.
2. The appearance or exacerbation of a mental disorder due to failure of defense mechanisms.

decompensation (dē·kmˈ·pen·sāˑ·shn),

n 1. a persistent (yet reversible, in some cases) pattern of dysfunction, in which homeostatic mechanisms are overwhelmed, either in part or completely.
2. postural pattern in which the musculoskeletal system indicates dysfunctional ad-justments as a result of a physical anomaly, such as shortened leg.

decompensation

Failure of an organ to fulfill its function adequately. Examples: corneal decompensation following years of extended contact lens wear; a failure of the eye movement system to overcome a heterophoria.

decompensation

failure of compensation.

cardiac decompensation
inability of the heart to maintain adequate circulation; it is marked by dyspnea, venous engorgement, cyanosis and edema.
References in periodicals archive ?
Patients with decompensated HCV cirrhosis comprise 30 percent of adults on the transplant list waiting for a liver.
The Acute Decompensated Heart Failure National Registry (ADHERE): opportunities to improve care of patients hospitalized with acute decompensated heart failure.
However, critically ill patients with decompensated RV failure may not tolerate intravenous prostacyclin due to systemic hypotension or to shunting (1).
Although a decompensated exophoria at near and a convergence insufficiency commonly occur together, they are not the same thing.
Selim and his associates collected plasma serotonin levels from 29 patients who were admitted with decompensated heart failure, 61 patients with stable heart failure, and 22 normal controls.
Abraham added, "The ongoing and planned clinical studies will continue to clarify the role of this promising new class of therapeutics in acute decompensated heart failure.
We generated ROC curves and calculated areas under the curve (AUCs) to compare the diagnostic performance of BNP and NT-proBNP for decompensated HF in normal-weight, overweight, and obese patients.
He continued, "There has been very little progress in identifying effective new approaches for treating patients with decompensated heart failure and the Cancion System provides physicians with a needed new treatment option.
Clearly, a major contribution of BNP and NT-proBNP has been as an aid for the diagnosis of decompensated heart failure in the symptomatic Emergency Medicine population.
An arterial blood gas analysis revealed severely decompensated respiratory acidosis.
In addition, most of the HIV-positive patients who knew they were also positive for HCV were unaware of the potentially fatal aspect of this infection, and some of them realized they had a serious disease only after experiencing symptoms of decompensated liver disease.
Abbott Laboratories (Abbott Park, IL) and Orion Corporation (Espoo, Finland) have expanded their licensing agreement for the injectable formulation of levosimendan (marketed as Simdax in most countries), Orion's proprietary drug for the treatment of acutely decompensated heart failure.