Cardiology class quiz 1

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Heart location
Heart location
in the middle of the thorax
between the two lung
apex deviation to the left

Heart chambers
Heart chambers
right atrium , left atrium ( two upper chambers )
right ventricle and left ventricle( two lower chambers

Tricuspid valve
Tricuspid valve
A valve that is situated at the opening of the right atrium of the heart into the right ventricle.( between the right atrium and the right ventricle .

Mitral valve or Bicuspid Valve
Mitral valve or Bicuspid Valve
A valve in the heart that guards the opening between the left atrium and left ventricle.

Semilunar aortic valve
Semilunar aortic valve
the membranous flaps located at the opening of the dorsal aorta into the heart that prevent the back flow of blood into the heart

Semilunar Pulmonary valve
Semilunar Pulmonary valve
The heart valve between the right ventricle and the pulmonary artery that controls blood flow from the heart into the lungs.

Heart layer
Heart layer
Pericardium( is the outer lining ) is divided in Parietal and Visceral Pericardium in between the layer we have the Pericardial fluid .
Myocardium ( middle layer of the heart or heart muscle )
Endocardium ( innermost layer )

Parietal Pericardium
Parietal Pericardium
Outermost layer of the serous membrane around the heart

blood vessels layer
blood vessels layer
tunica externa
tunica media
tunica intima

Arteries
Arteries
Carry blood rich in oxygen and poor in carbon dioxide.Except the Pulmonary Arteries that carrry blood rich in Carbon dioxide and poor in oxygen.Arteries has pulse.

Veins
Veins
Carry blood poor in Oxygen and rich in Carbon dioxide. Veins return the blood to the heart. Veins do not have pulse . Veins has valve . Exception : the 4 Pulmonary Veins that carry blood rich in Oxygen and poor in carbon dioxide .

Veins
Veins
return the blood to the heart
have valve

right atrium and right ventricle
right atrium and right ventricle
contain blood rich in Carbon dioxide and poor in Oxygen. The superior and inferior Vena Cava return the blood to the heart at the right atrium , this blood is poor in Oxygen and rich in Carbon dioxide . From the Right Atrium the blood is push through the Tricuspid Valve into the Right Ventricle

left atrium and left ventricle
left atrium and left ventricle
Contain blood rich in Oxygen and poor in carbon dioxide. The oxygenated blood return to the heart by the 4 pulmonary veins at the Left Atrium , this blood is rich in Oxygen and poor in carbon dioxide .

Pulmonary artery
Pulmonary artery
Contain more carbon dioxide and poor Oxygen, the exception is the Pulmonary artery

Pulmonary veins
Pulmonary veins
contain more Oxygen and less carbon dioxide. this is an exception

Heart location
Heart location
Middle of the thorax
Between the two lungs
Between the second and six ribs
Apex deviation to the left
Behind the sternum

Heart chambers
Heart chambers
Two upper chambers
Right atrium and left atrium
Two lower chambers
Right ventricles and left ventricle

Heart valve
Heart valve
Tricuspid valve
Mitral or Bicuspid valve
Semilunar pulmonary valve
Semilunar aortic valve

Pulmonary Circulation
Pulmonary Circulation
Blood return to the heart by the superior and inferior vena cava , The Right Atrium receives all the blood via the superior and inferio vena cava .
2. the blood is push through the TRICUSPID VALVE into the right Ventricle .
3. Blood leave the right ventricle through Pulmonary arteries , the blood is push through the SEMILUNAR PULMONARY VALVE into the PULMONARY ARTERIES (right and left ) .
4. Go to the lungs where occur the exchange of gasses .
Pick up Oxygen and drop Carbon dioxide .
5. The Blood is clean and Oxygenated again

Systemic Circulation
Systemic Circulation
The Oxygenated blood return from the lungs enters the Left Atrium via the four Pulmonary Veins .
the blood leave the Left Atrium through the MITRAL OR BICUSPID VALVE .
the blood is the Left Ventricle .
The blood leave the Left Ventricle through the Aorta .
The blood is push through the SEMILUNAR ARTIC VALVE into the AORTA .
The Aorta is divided Ascending and descending Aorta , supply with oxygenated blood and nutrients all the body .

Coronary Arteries
Coronary Arteries
Supply the blood to the heart .
They are divided in right and left Coronary artery .

Conduction System of the Heart
Conduction System of the Heart
The cardiac muscle has the property of automacity
determine by the autonomic nervous system

Conduction System
Conduction System
Specialize areas start the Heart beat
The SA NODE SENOATRIAL NODE OR PACEMAKER
located at the upper wall of the right atrium , responsable for iniciated the Heart beat , the electrical impulse generate at the SA node made the Atrium CONTRACT
2. The electrical impulse continue to the AV NODE or Atrioventricular node , located at the right atrium , transmit the electrical impulse from the SA node to the inferior part of t he heart .
3. Boundle of the His Right and left branches transmit the electric impulse interventricular septum the wall that divide the right and left ventricle ,
4. the electrical impulse finish at the Purkinje fibers

Cardiac Cycle
Cardiac Cycle
Sistole = contraction
Diastole = relaxation

Heart Murmur
a damage or disease at the valve can allow the blood flow backward .

Electrocardiogram
Electrocardiogram
EKG or ECG
is a recording of electrical activity of the heart .

electrocardiogram waves
electrocardiogram waves
P wave : Atrium contraction and depolarization , via firing SA node
PR interval : when the impulse travels from the atrium to the ventricles .
QRS: Ventricle contraction or depolarization
impulse from the Boundle of the His to the Ventricles
T wave : Ventricle repolarization or relaxation

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We use cookies to give you the best experience possible. By continuing we’ll assume you’re on board with our cookie policy Superior Vena Cava The large vein on the top end of the heart. It directs blood to the right …

We use cookies to give you the best experience possible. By continuing we’ll assume you’re on board with our cookie policy Left and Right Atrium The two chambers in the top half of the heart Left and Right Ventricle The …

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