Cardio Vascular System (CVS) Assignment Help
Heart is a pumping organ. It has two atrium and two ventricles they are separated by atrio-ventricular valve(A-V Valve).
Pace maker tissue of heart include
1. SA Node
2. AV Node
3. Bundle of his
4. Purkinje fibers.
Cardiac cycle :- The sequence of changes in the pressure and flow in the heart chamber and blood vessels in between the two subsequent contraction. It has a duration of 0.8 second.
Electrocardiogram(ECG): it is the record of electrical fluctuation during cardiac cycle. It has various waves the P,Q,R,S,T and U waves.
Abnormal ECG finding can be due to
1. Heart block
2. New rhythm centre
3. Myocardial infarction
4.effects due to change in the ionic composition of blood
Blood Pressure :-
The arterial blood pressure (B.P) is the pressure of the column of blood in the arterial system. Factors affecting the arterial B.P
2. Body built
6. Postures etc.
Shock:-is a clinical syndrome characterized by impairment of adequate tissue perfusion primarly due to low cardiac output.
Types of shock1. Hypovolumic shock
2. Distributive shock
3. Cardiogenic shock
4. Obstructive shock.
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