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Spotter 2

1. What is the diagnosis?
2. What is the name of this sign?


Answer 1: Hypertrophic obstructive cardiomyopathy (HOCM)
Answers 2: Brockenbrough-Braunwald-Morrow sign

 Explanation:
There is a decrease in pulse pressure and increase in left ventricular outflow tract gradient after the ventricular ectopic beat in HOCM patients. This phenomenon is known as Brockenbrough-Braunwald-Morrow phenomenon or sign.  

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