A nurse is caring for a patient who is postoperative following a total knee replacement. What action should the nurse take to prevent deep vein thrombophlebitis?

 

Choice A rationale:

Irreversible shock is the final stage of shock, where the body's compensatory mechanisms have failed, and damage to vital organs is irreversible. This stage is characterized by:

Profound hypotension (systolic blood pressure persistently below 60 mmHg) Severely altered mental status (unresponsiveness or coma)

Widespread organ failure (kidney failure, liver failure, respiratory failure) Lack of response to aggressive fluid resuscitation and vasopressor therapy

The patient in the question does not exhibit all of these signs and symptoms, particularly the profound hypotension and irreversible organ failure. Therefore, irreversible shock is not the most likely stage.

Choice B rationale:

End-organ dysfunction is a stage of shock where inadequate tissue perfusion has begun to cause damage to vital organs. This stage is characterized by:

Hypotension that may respond to fluid resuscitation

Signs of organ dysfunction, such as decreased urine output, altered mental status, or respiratory distress

The patient in the question does have some signs of organ dysfunction, such as confusion and crackles on lung auscultation. However, the hypotension is not as severe as typically seen in end-organ dysfunction shock, and there is no mention of other organ dysfunction like decreased urine output. Therefore, end-organ dysfunction is not the most likely stage.

Choice C rationale:

Early reversible shock is the initial stage of shock, where the body's compensatory mechanisms are still able to maintain blood pressure and organ perfusion. This stage is characterized by:

Mild to moderate hypotension Tachycardia

Cool, clammy skin Narrowed pulse pressure Restlessness or anxiety

The patient in the question presents with all of these signs and symptoms, making early reversible shock the most likely stage.

Choice D rationale:

Preshock is a state of impending shock, where the body's compensatory mechanisms are activated but not yet fully effective. This stage is characterized by:

Normal or slightly low blood pressure Tachycardia

Cool, clammy skin Restlessness or anxiety

The patient in the question has hypotension, which is not consistent with preshock. Therefore, preshock is not the correct stage.

Choice B rationale:

Phlebitis is the inflammation of a vein, often caused by an IV catheter. It's characterized by redness, swelling, warmth, and pain along the vein.

Promptly discontinuing the IV infusion is crucial to prevent further irritation and potential complications such as: Thrombophlebitis (inflammation with clot formation)

Infection

Infiltration (leakage of fluids into surrounding tissues) Extravasation (leakage of vesicant or damaging medications)

Continuing the infusion could exacerbate the inflammation and increase the risk of these complications.

Choice A rationale:

Elevation of the extremity can help reduce swelling, but it does not address the underlying inflammation. It's often used as an adjunct measure after discontinuing the IV.

Choice C rationale:

Warm, moist compresses can provide some comfort and potentially promote blood flow, but they are not recommended as a first-line treatment for phlebitis. They may even worsen inflammation in some cases.

Choice D rationale:

Inserting an IV catheter in the opposite extremity is necessary if the patient still requires IV therapy, but it should not be done before addressing the phlebitis in the current site. This could lead to multiple sites of inflammation and increased risk of complications.