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Published on: August 8, 2022
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Squat in Obstructive Hypertrophic Cardiomyopathy.
Niloufar Javadi1, Patrycja Galazka1, Matthew Peters1
1Aurora Cardiovascular and Thoracic Services, Aurora Sinai/Aurora St Luke's Medical Centers, Aurora Health Care, Milwaukee, Wisconsin, USA.
JACC. Case Reports
|February 12, 2026
Summary
Prompt squat maneuvers can confirm hemodynamic changes in obstructive hypertrophic cardiomyopathy. Bedside maneuvers like squatting, alongside auscultation, enhance clinical assessment for this condition.
Area of Science:
- Cardiology
- Clinical Medicine
Background:
- Obstructive hypertrophic cardiomyopathy (oHCM) presents unique diagnostic challenges.
- Auscultation and Doppler echocardiography are key diagnostic tools.
Purpose of the Study:
- To document the hemodynamic effects of prompt squat maneuvers in patients with obstructive hypertrophic cardiomyopathy.
- To highlight the utility of bedside maneuvers in clinical assessment.
Main Methods:
- Case study involving two patients (50-year-old male, 33-year-old female) with diagnosed obstructive hypertrophic cardiomyopathy.
- Utilized auscultation and Doppler echocardiography.
- Assessed murmur intensity changes during Valsalva strain, standing, and prompt squat maneuvers.
Main Results:
- Both patients exhibited systolic ejection murmurs that intensified with Valsalva strain and standing.
- The murmur disappeared in the first patient and reduced to grade I in the second patient during prompt squat.
- This represents the first documented confirmation of prompt squat's hemodynamic effects in oHCM.
Conclusions:
- Bedside maneuvers, specifically prompt squatting, are valuable for assessing obstructive hypertrophic cardiomyopathy.
- Integrating auscultation with advanced imaging techniques improves diagnostic accuracy.
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