Medicinsk illustration av Human Torso med Stetoskop och slagverkspunkter för en patient med hydrothorax från hjärtsvikt, bakifrån - 1800-talet - Bildbanksillustration

Medical illustration of human torso with the placement points for stethoscope and percussion exams for a patient with hydrothorax from congestive heart failure, rear view. Vintage etching circa mid 19th century. Circles indicate stethoscope placements and coloured zones for percussion. (?r) represents ill-defined breathing with crackling.