In suspected massive PE with hemodynamic instability, what emergent management steps are indicated?

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Multiple Choice

In suspected massive PE with hemodynamic instability, what emergent management steps are indicated?

In massive pulmonary embolism with instability, the priority is rapid stabilization of the patient and quick restoration of blood flow. The moment this scenario is suspected, focus on two parallel goals: support the circulation and remove the obstruction. Start with oxygenation and overall hemodynamic support to preserve perfusion. If blood pressure is low, use vasopressors (for example, norepinephrine) and provide inotropes as needed to support the right ventricle. While you’re stabilizing, begin anticoagulation right away with unfractionated heparin to prevent further clot propagation. If there are no contraindications, administer systemic thrombolysis promptly to dissolve the clot and rapidly improve hemodynamics. This is preferred in a patient who is unstable because it offers the fastest chance to restore pulmonary perfusion and relieve right ventricular strain. If thrombolysis is contraindicated or the patient remains unstable or deteriorates despite thrombolysis, proceed with emergent surgical or catheter-directed embolectomy to physically remove the obstruction. Choices like observing, giving antibiotics, or diuresis do not address the life-threatening obstruction or the need for rapid reperfusion, so they are not appropriate in this emergent scenario.

In massive pulmonary embolism with instability, the priority is rapid stabilization of the patient and quick restoration of blood flow. The moment this scenario is suspected, focus on two parallel goals: support the circulation and remove the obstruction.

Start with oxygenation and overall hemodynamic support to preserve perfusion. If blood pressure is low, use vasopressors (for example, norepinephrine) and provide inotropes as needed to support the right ventricle. While you’re stabilizing, begin anticoagulation right away with unfractionated heparin to prevent further clot propagation.

If there are no contraindications, administer systemic thrombolysis promptly to dissolve the clot and rapidly improve hemodynamics. This is preferred in a patient who is unstable because it offers the fastest chance to restore pulmonary perfusion and relieve right ventricular strain.

If thrombolysis is contraindicated or the patient remains unstable or deteriorates despite thrombolysis, proceed with emergent surgical or catheter-directed embolectomy to physically remove the obstruction.

Choices like observing, giving antibiotics, or diuresis do not address the life-threatening obstruction or the need for rapid reperfusion, so they are not appropriate in this emergent scenario.

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