PMLS (Progress of technology)

First diagnostic medical breakthrough invented by Rene Läennec; used to acquire information about the lungs and heartbeats

• 1855 Laryngoscop

• 1816 Stethoscope

• 1840 Microscope

• 1850 Ophthalmoscope 

Developed for medical purposes due to advances in lenses and lower costs; the first practical microscope was devised by Antonie van Leeuwenhoek

• 1850 Ophthalmoscope

• 1840 Microscope

• 1816 Stethoscope

• 1855 Laryngoscope

First visual technology invented by Hermann von Helmholz

• 1850 Ophthalmoscope

• 1840 Microscope

• 1855 Laryngoscope

• 1816 Stethoscope

Devised by Manuel Garcia using two mirrors to observe the throat and larynx

• 1850 Ophthalmoscope

• 1855 Laryngoscope 

• 1840 Microscope

• 1816 Stethoscope

• invented by?

• Stethoscope is the first diagnostic medical breakthrough,

• used to acquire information about the lungs and heartbeats.

• • Hermann von Helmholz

• • Rene Läennec

• • Antonie van Leeuwenhoek

• Manuel Garcia

Invented by?
The Microscope was developed for medical purposes due to advances in lenses and lower costs; the first practical microscope was devised by

• Manuel Garcia

• Antonie van Leeuwenhoek

• Rene Läennec

• • Hermann von Helmholz

Ophthalmoscope is the first visual technology invented by?

• Manuel Garcia

•  Rene Läennec

• Hermann von Helmholz

Invented by Wilhelm Roentgen when he discovered by accident that radiation could penetrate solid objects of low density

• 1910 Kenny method

• 1859 X-ray

• 1903 Electrocardiograph

• 1927 Drinker respirator

 Allowed physicians to view the inside of the body without surgery;

• 1903 Electrocardiograph

• 1910 Kenny method 

• 1859 X-ray 

• 1927 Drinker respirator

• Used to diagnose pneumonia, pleurisy, and tuberculosis since World War II

• 1859 X-ray 

• 1903 Electrocardiograph

• 1910 Kenny method

• 1927 Drinker respirator