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Difficulty: HardCardiovascular System

Match each patient's clinical presentation with its most likely characteristic cardiovascular pathology.

  • A 42-year-old man from rural South America presenting with progressive dysphagia, severe constipation, and a right bundle branch block.Left ventricular apical aneurysm
  • A 35-year-old man with chronic morning stiffness in his lower back that improves with exercise, recurrent anterior uveitis, and elevated inflammatory markers.Dilation of the aortic root with a diastolic decrescendo murmur
  • A 52-year-old woman with diffuse thickening of the skin on her hands, esophageal dysmotility, and episodic cyanosis in her fingertips upon cold exposure.Right ventricular hypertrophy secondary to pulmonary arterial hypertension
  • A 48-year-old man presenting with bronze-colored skin hyperpigmentation, new-onset diabetes mellitus, and polyarthropathy.Dilated cardiomyopathy with associated cardiac conduction abnormalities
  • A 60-year-old woman presenting with episodic cutaneous flushing, chronic watery diarrhea, and wheezing.Plaque-like endocardial thickening and retraction of the tricuspid valve leaflets

Answer

Chagas disease matches with left ventricular apical aneurysm. Ankylosing spondylitis matches with aortic root dilation. Systemic sclerosis matches with right ventricular hypertrophy. Hemochromatosis matches with dilated cardiomyopathy. Carcinoid syndrome matches with tricuspid valve thickening.
Each systemic condition presented has a highly specific predilection for certain cardiac structures due to distinct pathophysiological mechanisms, requiring integration of rheumatology, endocrinology, infectious disease, and cardiology.

Step-by-Step Solution

1
Identify the underlying systemic or infectious disease for each patient based on the clinical vignette.
Patient 1 has Chagas disease, Patient 2 has ankylosing spondylitis, Patient 3 has systemic sclerosis, Patient 4 has hemochromatosis, and Patient 5 has carcinoid syndrome.
Accurate diagnosis of the primary condition is required to anticipate its systemic and cardiac complications.
2
Determine the pathophysiological mechanism of cardiac involvement for each diagnosed condition.
T. cruzi destruction (apical aneurysm), HLA-B27 aortitis (aortic root dilation), pulmonary intimal fibrosis (cor pulmonale), myocardial iron deposition (dilated cardiomyopathy), and serotonin-mediated fibrosis (right-sided valvulopathy).
Linking the disease to its specific mechanism of cardiac injury reveals the structural pathology.
3
Match the specific cardiovascular pathology to the identified disease.
All items are successfully paired based on classic disease associations.
This completes the requirements of the matching question format.

Key Concept

Cardiovascular complications of systemic and infectious diseases
Estimated Time:2m 0s
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Topics

Cardiovascular System

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