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Difficulty: MediumPediatric Cardiovascular Disorders

Match each pediatric cardiovascular clinical presentation with its most appropriate targeted therapeutic intervention.

  • A premature infant born at 27 weeks gestation develops a hyperactive precordium, widening pulse pressure, and a continuous machinery-like murmur.Cyclooxygenase inhibitor therapy
  • A 2-year-old toddler is evaluated for a one-week history of unremitting fever, cracked lips, cervical lymphadenopathy, and a diffuse macular rash.High-dose salicylate and immune globulin therapy
  • An infant born at term presents at 48 hours of life with acute cardiovascular collapse, poor perfusion, and absent lower extremity pulses.Prostaglandin E1 continuous infusion
  • A neonate with parallel pulmonary and systemic circulations remains profoundly hypoxemic despite an alprostadil drip; echocardiography reveals a restrictive patent foramen ovale.Percutaneous balloon atrial septostomy

Answer

The PDA presentation matches with cyclooxygenase inhibitor therapy; Kawasaki disease matches with salicylate and immune globulin therapy; critical coarctation matches with prostaglandin E1 infusion; and TGA with poor mixing matches with percutaneous balloon atrial septostomy.
Each pair correctly matches a classic pediatric cardiovascular condition with its primary, life-saving, or disease-modifying intervention based on current clinical guidelines.

Step-by-Step Solution

1
Analyze each clinical vignette to identify the underlying cardiovascular diagnosis.
Identified diagnoses: 1) Patent Ductus Arteriosus, 2) Kawasaki Disease, 3) Critical Coarctation of the Aorta, 4) Transposition of the Great Arteries with an intact/restrictive atrial septum.
Accurate diagnosis is the prerequisite for selecting the correct targeted therapy.
2
Determine the pathophysiological goal of management for each condition.
Goals: 1) Close the ductus, 2) Reduce systemic and coronary inflammation, 3) Reopen the ductus to provide systemic blood flow, 4) Improve interatrial mixing of blood.
Understanding the pathophysiologic deficit guides the choice between medical and procedural interventions.
3
Select the specific intervention that achieves the pathophysiological goal.
The PDA maps to cyclooxygenase inhibitors, Kawasaki disease maps to immune globulin/salicylates, coarctation maps to prostaglandin E1, and TGA maps to balloon atrial septostomy.
These represent the standard-of-care initial management steps for these pediatric cardiac emergencies.

Key Concept

Management of Pediatric Cardiovascular Emergencies
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Topics

Pediatric Cardiovascular Disorders

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