Ekg Flashcards
What is ElectroCardioGraphy
painless n safe procedure, test most frequently used for diagnosis of heart disease
Who is Willen Eithoven
Created of the EKG in late 1800s
EKG- Electro Kardio Gramm
What is Depolarization and Repolarization?
Electrical currents that are generated spread thru heart and body.
Electrical activity generated by heart measured by electrodes placed on body.
Recorded on EKG
What does the
CardioVascular System Anatomy N Physiology do?
Pump N delivery System
Supply cells w oxygen N other nutrients
Transports cellular waste to appropriate organs for removal
What are the structures
Heart- Cardi - Pump
Vessels - Angi - Container
Blood - Hemo - Liquid
the Heart is what?
A Hollow Muscular Organ (Cardiac Muscle)
Pump to circulate Blood
Blood to oxygenate cells N remove waste products
Cardi/o- heart
Location and Protection located between lungs and above diaphragm?
Peri- Around
Epi- Outter
Myo- Muscle
Endo- within/ in
Pericardium- around the heart
Pericardial fluid- around the heart fluid
Epicardium - Above, outter of the heart
Myocardium- muscle of the heart in the middle
Endocardium- in or within the heart
The exchange of Blood w Oxygen and Blood without Oxygen occurs where?
In the Capillaries
Can only be seen with Microscope
Arteries = Arteri/o carry what type of blood?
Carry blood with oxygen away from the heart
Arteries have Oxygenated Blood Have a pulse Are thick 3 layers Propelled Blood to heart
Veins carry what type of blood?
Veins carry Blood Without Oxygen TOWARD/TO the heart
Veins have valves
Deoxygenated blood
No pulse
The inner space of an artery is called?
The lumen
What are the 3 layers of the Arteries and Veins
Tunica Íntima
Tunica Media
Tunica Adventitia
Which layer is closest to the blood ?
Tunica intima
What are the layers of the Heart Wall?
Fibrous Pericardium
Epicardium (Outer Layer of Heart)
Myocardium (middle/muscle layer of heart)
Endocardium ( inner layer of heart)
How many chambers does the Heart have and what are they?
The Heart has 4 layers and are called
Right Atrium
Right Ventricle
Left Atrium
Left Ventricle