Hypothermia in elderly patients characteristics and prognosis

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Hypothermia in elderly patients characteristics and prognosis

Electrocardiogram demonstrating J waves. Although most dysrhythmias will correct with warming alone, ventricular fibrillation should be treated with defibrillation. If the patient is warmed and ventricular fibrillation persists, the current AHA guidelines call for the use of amiodarone.

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Passive rewarming can be used as the sole treatment modality of patients with mild hypothermia and involves moving the patient to a warm, dry environment and providing adequate insulation.

For passive rewarming to be successful, the patient must have intact thermoregulatory mechanisms, normal endocrine function, and adequate energy stores to create endogenous heat. An algorithm showing the approach to the patient with hypothermia.

Hypothermia in elderly patients characteristics and prognosis

Hot water bottles and heating pads applied to truncal areas only may cause burns to cold and vasoconstricted skin. Forced-air warming systems e. The clinical usefulness of this method still is being investigated.

Historically, this has led to many unwarranted deaths because patients were thought to be getting worse and rewarming was aborted.

This complication can be minimized by always using minimally invasive core rewarming before active external rewarming.

Hypothermia in elderly patients characteristics and prognosis

Perhaps the most effective active external rewarming method that minimizes complications is the Bair Hugger; according to the results of one study 15 that used this modality, no rewarming shock or afterdrop occurred. Active core rewarming techniques exist on a spectrum of invasiveness and potential complications.

Currently, no studies compare one modality to the others; thus, the method chosen depends on available clinical resources. Heating intravenous fluids can be accomplished most easily using a blood warmer, but a microwave can be used, if calibrated in advance.

The most effective method of active core rewarming is extracorporeal blood warming, accomplished by cardiopulmonary bypass, arteriovenous rewarming, venovenous rewarming, or hemodialysis. Unfortunately, not all health care centers will have access to this invasive treatment modality.

Active core rewarming also can be accomplished by warm lavage of several body cavities. Gastric, colonic, and bladder lavage have slower rates of increased temperature 1. Active core rewarming via closed thoracic lavage involves the placement of a large bore 2.

In one retrospective study, 22 patients who received a thoracotomy in the emergency department had a survival rate of 71 percent. The left side should be used only if the patient has a nonperfusing rhythm, because ventricular fibrillation may be induced inadvertently by irritating the cold myocardium.

Patients with mild hypothermia can be sent home after rewarming, whereas patients with moderate to severe hypothermia should be admitted for observation and continued evaluation after stabilization.Children with Down Syndrome (3 contact hours for $12) Identify specific neurological, sensory, orthopedic, cardiac, respiratory, autoimmune, mental health, dental, and oncological health risks of children with Down syndrome, and describe appropriate nursing interventions related to these risks.

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Hypothermia Clinical Presentation: History, Physical Examination, Causes

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Cerebral Contusion is a Head injury that More serious than a concussion, a cerebral contusion is an ecchymosed of brain tissue that results from a severe blow to the head. Sixty patients (74%) were admitted with mild hypothermia, 19 patients (%) had moderate hypothermia, 2 patients (%) suffered from severe hypothermia, and both of them died during the hospitalization (Figure 7).

Rectal temperature was available in . Jan 05,  · Sepsis is defined as life-threatening organ dysfunction due to dysregulated host response to infection, and organ dysfunction is defined as an acute change in total Sequential Organ Failure Assessment (SOFA) score greater than 2 points secondary to the infection cause.

[] Septic shock occurs in a subset of patients with sepsis and comprises of an underlying circulatory and cellular/metabolic.

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