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1550 BCE
Ebers papyrus - Egyptian
Anatomical manuscript that included magical formulas and folk remedies meant to cure afflictions. It had a description of the circulatory system, noting the existence of blood vessels throughout the body and the heart’s function as center of the blood supply. -
500 BCE
"The Heart" by Hippocrates - Grecian
A writing about the heart, titled “The Heart” by Hippocrates, he describes the various heart diseases, the methods of diagnosis and treatment, preventive factors and the outcome after the diagnosis (the prognosis). Other discoveries of cardiology by Hippocrates include that the heart has a pericardium and major blood vessels and four chambers and valves. -
150
The observations of Galen - Roman
Galen observed the unusual physical properties of the heart viewed the cardiovascular system as comprising two distinct networks of arteries and veins. In the works of Galen, he mentioned the toughness and strength of the heart and also mentioned the contraction and fibers of the heart. -
1500
The first accurate drawing of the heart (Leonardo da Vinci) - Renaissance
Leonardo Da Vinci investigated the anatomy of the heart and heart vessels by observing and dissecting ox, pig and deceased human hearts and through his observations he found that the heart that the heart had four chambers. In addition to the intensive research of Leonardo Da Vinci, he produced the first accurate drawing of the heart. -
First description of the human circulatory system (Harvey) - 17th century
William Harvey was the first man who discovered and wrote the first description of the human circulatory system based on his experiments and observation. -
René Laënnec's invention of the stethoscope - 18th century
During this time, physicians gained more knowledge of heart murmurs and sounds because René Laënnec, a french physician, created the first stethoscope and perfected auditory examination the the chest cavity. In the 18th century, Robert Adams also contributed to various heart diseases and gout. -
John Hopps invents the first cardiac pacemaker
John Hopps was researching the effects of radio frequency on hypothermia and during his research, he discovered that the heart stopped beating when its temperature decreased, and the heart beat could be revived, using electrical pulses to make it beat. -
Creation of the Left-Ventricular Assist Device
LVAD is a pump implanted in the patient’s chest and provides additional circulation to the vital organs in the body, protecting them from further damage. -
First ballon angioplasty procedure on a coronary artery
Andreas Gruentzig, a German physician, performed the first ballon angioplasty on a coronary artery and made a major contribution to the treatment of coronary artery disease. The ballon angioplasty made it possible to opens blocked arteries and restore normal blood flow to your heart muscle -
Invention of the Mitraclip
This device helps people with worsening heart failure due to a leaky heart valve who are too high risk for open heart surgery. The MitraClip is inserted into the valve using a catheter and, once in place, it helps the valve open and close properly. -
The invention of the first leadless pacemaker
The leadless pacemaker is a tiny, self-contained unit that is placed on the inside wall of the heart through a thin, flexible tube called a catheter. Sometimes using a lead pacemaker can break or cause an infection.
