CARDIO-VASCULAR CARDIO-VASCULAR SYSTEM – Part 1SYSTEM – Part 1

Jony MallikB. Pharmacy; M. Pharmacy

E-mail: jonymallik@ymail.com

CARDIO-VASCULAR SYSTEMCARDIO-VASCULAR SYSTEM

The system which is related with the The system which is related with the Heart & BloodHeart & Blood

COMPONENTS OF CVS:-COMPONENTS OF CVS:- * *HeartHeart *Blood vessel *Blood vessel -vein -vein -artery -artery -microcirculation/capillary-microcirculation/capillary

COMPONENTS OF THE HEART:-COMPONENTS OF THE HEART:- **Four chamberFour chamber -Left atrium-Left atrium -Right atrium-Right atrium -Left ventricle-Left ventricle -Right ventricle-Right ventricle * Superior vanecava (Attach with the Right atrium)* Superior vanecava (Attach with the Right atrium) * Inferior vanecava (Attach with the Right atrium)* Inferior vanecava (Attach with the Right atrium) * Pulmonary vein (Attach with the left atrium)* Pulmonary vein (Attach with the left atrium) * Pulmonary artery (Attach with the right ventricle)* Pulmonary artery (Attach with the right ventricle) * Aorta* Aorta * SA (Syno-atrial) node* SA (Syno-atrial) node *AV (Atrioventricular) valve*AV (Atrioventricular) valve * Bi & Tri caspid valve* Bi & Tri caspid valve * Purkinjee fibre* Purkinjee fibre * Three coverings* Three coverings -Pericardium-Pericardium -Myocardium (Cardiac muscle)-Myocardium (Cardiac muscle) -Endocardium-Endocardium

HEART/CARDIAC RATEHEART/CARDIAC RATE`Heart rate is the number of heart beat per minute’`Heart rate is the number of heart beat per minute’ In fetus:140-160bpmIn fetus:140-160bpm In children:120-140bpmIn children:120-140bpm Adult:60-100bpmAdult:60-100bpm Average:72bpmAverage:72bpm

#TACHYCARDIA#TACHYCARDIA `When the heart rate is greater then 100bpm it is called `When the heart rate is greater then 100bpm it is called

Tachycardia’Tachycardia’ Due to-Due to- -Excessive water intake-Excessive water intake -Mental hasitation-Mental hasitation -Exercise-Exercise -Disease condition (fever, rheumatic fever, arthritis)-Disease condition (fever, rheumatic fever, arthritis)

#BRADYCARDIA#BRADYCARDIA

`When the heart rate is lower then 60bpm it is `When the heart rate is lower then 60bpm it is called Bradycardia’called Bradycardia’

Due to-Due to-

-Excessive water loss-Excessive water loss

-Tension-Tension

-Excessive rest-Excessive rest

-Disease condition (Diarrhoea , vomiting)-Disease condition (Diarrhoea , vomiting)

BLOOD PRESSUREBLOOD PRESSURE

`Blood pressure is the lateral pressure `Blood pressure is the lateral pressure exerted by the blood on per unit area of exerted by the blood on per unit area of the blood vessel’the blood vessel’

BLOOD BLOOD PERUNIT AREA OF BVPERUNIT AREA OF BV

BLOOD PRESSUREBLOOD PRESSURE

NORMAL PRESSURE:NORMAL PRESSURE: 80-120mmHg 80-120mmHg

TYPES:-TYPES:- Mainly it has two types-Mainly it has two types- *Systolic pressure*Systolic pressure *Diastolic pressure*Diastolic pressure

*SYSTOLIC PRESSURE*SYSTOLIC PRESSURE `The pressure which is found by the `The pressure which is found by the

ventricular systole’ventricular systole’ Normal systolic pressure:120-Normal systolic pressure:120-

140mmHg140mmHg

DIASTOLIC PRESSUREDIASTOLIC PRESSURE

`The pressure which is found by the `The pressure which is found by the ventricular diastole’ventricular diastole’

Normal diastolic pressure:70-Normal diastolic pressure:70-90mmHg90mmHg

HEART SOUND:-HEART SOUND:-

The sound which is produced by the The sound which is produced by the heart due to the vibration of the atrio-heart due to the vibration of the atrio-ventricular valve or intra cardiac ventricular valve or intra cardiac blood flow’blood flow’

HEART SOUNDHEART SOUND: : LUB-DUB-LUB-DUBLUB-DUB-LUB-DUB

TYPES:-TYPES:- *First HS(S1)*First HS(S1) *Second HS(S2)*Second HS(S2) *Third HS(S3)*Third HS(S3) *Fourth HS(S4)*Fourth HS(S4)

**s1 due to closure of the AV valves1 due to closure of the AV valve

*s2 due to closure of the semilunar *s2 due to closure of the semilunar valvevalve

*s3 due to first rapid filling phase*s3 due to first rapid filling phase

*s4 is due to the second rapid filling *s4 is due to the second rapid filling phasephase