Both stethoscopes have fantastic performance, but have slightly different use cases. The Cardiology IV is more versatile scope having a paediatric and adult head as standard. This would be the optimal stethoscope for those medics doing assessments on all ages. The Master cardiology has the highest acoustic performance, but is mostly considered for adults. The stethoscope has the advantage of being single headed which reduces the ambient noise and results in clearer sounds.
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