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Question
[tempo] signs of [chief complaint] in a [demographic] (with PMH, PSH, and recent events) who now presents with VS, PE, Lab, Imaging. [Stem preservation]?
Acute signs of exertional syncope & dyspnea in an 18-year-old athlete with family history of sudden cardiac death who now presents with a harsh systolic murmur that increases with Valsalva maneuver. What structural protein is most likely mutated in this condition?
Subacute signs of sore throat, fever, and cervical swelling ("bull neck") in an unimmunized 6-year-old child who now presents with an adherent, friable grayish-white pharyngeal pseudomembrane. What is the molecular mechanism of the toxin responsible for this patient’s presentation?

Cardiovascular System