A
cardiologist is a doctor with special training and skill in finding, treating
and preventing diseases of the heart and blood vessels. Cardiology is a medical
specialty dealing with disorders
of the heart be it human or animal. The field
includes medical diagnosis and treatment of congenital heart defects, coronary artery disease, heart failure and electrophysiology.
As the center focus of cardiology, the heart has numerous anatomical
features (e.g., atria, ventricles, heart
valves) and numerous physiological features (e.g., systole, heart
sounds, after
load) that have been encyclopedically documented for
many centuries. The primary responsibility of the heart is to pump blood throughout the body. It pumps blood from the body — called
the systemic
circulation — through the lungs — called the pulmonary
circulation — and then back out to the body. This means that the heart
is connected to and affects the entirety of the body. Simplified, the heart is
a circuit of the Circulation. While plenty is known about the healthy heart, the bulk
of study in cardiology is in disorders of the heart and restoration, and where
possible, of function.
The heart is a muscle
that squeezes blood and functions like a pump. Each part of the heart is
susceptible to failure or dysfunction and the heart can be divided into the
mechanical and the electrical parts. The electrical part of
the heart is centered on the periodic contraction (squeezing) of the muscle cell that is
caused by the cardiac
pacemaker located in the sinoatrial
node. The
mechanical part of the heart is centered on the fluidic movement of blood and the functionality of the heart as a pump. The mechanical part is ultimately the purpose of the
heart and many of the disorders of the heart disrupt the ability to move blood. Failure to move sufficient blood can
result in failure in other organs and may result in death if severe. Heart failure is one condition in which the
mechanical properties of the heart have failed or are failing, which means
insufficient blood is being circulated.
Specialization in Cardiologists:
·
Cardiac electrophysiology : Study of the electrical properties and conduction diseases of
the heart.
·
Echocardiography : The use of ultrasound to
study the mechanical function/physics of the heart.
·
Interventional cardiology : The use of catheters for the treatment of structural and ischemic diseases
of the heart.
·
Nuclear cardiology :
The use of nuclear medicine to
visualize the uptake of an isotope by the heart using radioactive sources.
Consultation
with cardiologist is beneficial:
Consultation with the
cardiologist is very good for everyone. Regular checkup of heart is must,
because due to many things (like overweight, smoking, alcohol etc) the rate of
heart patients continuously increases. Following problems are under controlled
while consulting with the cardiologist:
1. Congenital Heart Defect
2. Coronary artery Disease
3. Heart failure
4. Valvular heart Disease
5. Electrophysiology
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