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Zorluk: OrtaInitial Stabilization and Triage

A rapid response team is called to the bedside of a 45-year-old hospitalized man who developed sudden-onset respiratory distress. The patient was admitted yesterday for community-acquired pneumonia and was receiving his second dose of intravenous piperacillin-tazobactam. Ten minutes into the infusion, he began complaining of severe throat tightness, shortness of breath, and feeling dizzy. The bedside nurse immediately stopped the antibiotic infusion and applied supplemental oxygen via a non-rebreather mask.

Vital signs reveal a blood pressure of 78/42 mm Hg, a heart rate of 138/min, a respiratory rate of 28/min, and an oxygen saturation of 91% on the non-rebreather mask. Physical examination shows diffuse urticaria over the trunk and extremities, periorbital edema, and audible inspiratory stridor with widespread expiratory wheezing.

Which of the following are the most appropriate immediate next steps in the management of this patient? (Select exactly 2 options)

  1. Administer intramuscular epinephrine in the anterolateral thighCevap
  2. Administer a rapid intravenous bolus of isotonic crystalloidCevap
  3. C
    Administer intravenous diphenhydramine and methylprednisolone
  4. D
    Order a stat portable chest radiograph
  5. E
    Obtain stat serum tryptase and arterial blood gas levels

Cevap

The correct immediate interventions are administering intramuscular epinephrine in the anterolateral thigh and administering a rapid intravenous bolus of isotonic crystalloid.
This patient is experiencing acute anaphylactic shock, characterized by distributive shock (hypotension, tachycardia) and impending airway compromise (stridor, wheezing) following exposure to a new medication. The cornerstone of immediate stabilization is intramuscular epinephrine, which provides potent alpha-1 agonist effects to increase vascular tone and beta-2 agonist effects to cause bronchodilation and decrease mast cell mediator release. Simultaneously, the patient's profound hypotension requires aggressive volume resuscitation with rapid intravenous isotonic crystalloid boluses to restore intravascular volume lost to sudden, massive capillary permeability.

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1
Analyze the clinical presentation and vital signs.
The patient exhibits stridor, severe wheezing, profound hypotension (78/42 mm Hg), and urticaria immediately following intravenous antibiotic administration.
This confirms a diagnosis of acute anaphylactic shock with both impending airway compromise and severe distributive shock.
2
Identify the primary physiological targets for stabilization.
The primary targets are reversing severe vasodilation and preventing airway occlusion.
Airway, Breathing, and Circulation (ABCs) take absolute precedence in acute resuscitation.
3
Select the most appropriate simultaneous interventions.
Intramuscular epinephrine and rapid intravenous fluid boluses are selected.
Epinephrine provides rapid alpha-1 mediated vasoconstriction and beta-2 mediated bronchodilation, while isotonic crystalloids restore depleted intravascular volume.

Anahtar Kavram

The initial stabilization of anaphylactic shock requires the simultaneous administration of intramuscular epinephrine and aggressive intravenous fluid resuscitation to address cardiovascular collapse and airway compromise.
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Konular

Initial Stabilization and Triage

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