Soru

Zorluk: ZorEstablishing Priorities

A client is admitted to the intensive care unit with a diagnosis of thyroid storm triggered by a severe bacterial pneumonia. The client exhibits severe agitation, a heart rate of 178 beats/minute, blood pressure of 186/102 mm Hg, respiratory rate of 34 breaths/minute, and a temperature of 104.8°F (40.4°C). The nurse reviews the stat prescriptions from the healthcare provider. In what sequence should the nurse implement the following interventions? Arrange the items from first (highest priority) to last (lowest priority).

  1. 1Administer 100% oxygen via a non-rebreather mask.
  2. 2Administer intravenous propranolol.
  3. 3Administer oral propylthiouracil (PTU).
  4. 4Administer potassium iodide (Lugol's solution).
  5. 5Apply a hypothermia blanket and administer acetaminophen.

Cevap

The correct sequence is to first administer oxygen, followed by intravenous propranolol, then propylthiouracil (PTU), then potassium iodide, and finally apply the hypothermia blanket.
The correct sequence prioritizes immediate life-saving support based on the ABC framework, followed by the precise pharmacological management of a thyroid storm. Oxygen addresses the massive metabolic demand (Breathing). Propranolol stabilizes the dangerously high heart rate (Circulation). PTU stops the creation of new thyroid hormone. Potassium iodide prevents the release of stored hormone and must strictly follow PTU to prevent exacerbating hormone synthesis. Finally, active cooling addresses the hyperthermia symptom once physiological stability and pharmacological blockades are initiated.

Adım Adım Çözüm

1
Prioritize physiological needs using the ABC framework.
Oxygen administration is identified as the immediate first step to address airway and breathing demands.
Thyroid storm creates a massive hypermetabolic state that rapidly depletes cellular oxygen, causing tissue hypoxia if not immediately supported.
2
Address acute hemodynamic instability.
Intravenous propranolol is selected as the second step.
A heart rate of 178 beats/minute can quickly lead to heart failure and cardiovascular collapse; beta-blockers directly inhibit the excessive sympathetic stimulation affecting the heart.
3
Sequence the administration of antithyroid medications correctly.
PTU is ordered third, and potassium iodide is ordered fourth.
PTU blocks the synthesis of new thyroid hormone. Potassium iodide blocks the release of stored hormone. Iodine must follow PTU; otherwise, the iodine will be used by the hyperactive gland to synthesize more hormone, worsening the crisis.
4
Address remaining severe symptoms.
Applying the hypothermia blanket is placed last in this sequence.
Although a temperature of 104.8°F is dangerous, symptomatic temperature control follows the stabilization of cardiopulmonary function and the halting of the primary endocrine cascade.

Anahtar Kavram

Prioritization in hypermetabolic crises requires adherence to ABCs followed by strict pharmacological sequencing to halt the underlying disease process.
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