The Normal Heart
Thehumanheartisonlythesizeofa
fist,butitisthestrongestmuscleinthe
body.
Witheveryheartbeat,theheart
pumpsblood,carryingoxygenand
nutrients,toallpartsofthebody.
Theheartbeatsabout70timesa
minuteinapersonatrest.
Theheartrateincreaseswhenweare
activeorwhenwefeelstrongemotions.
What is a heart attack?
Theheartitselfgetsoxygen&nutrientsthroughblood
vesselscalledthecoronaryarteries.
Whenthebloodflowtotheheartiscutoff,thedecrease
inthesupplyofoxygenandnutrientscancauselasting
damagetothisvitalorgan.
Whentheblockageissudden,itiscalledaheartattack.
What is a heart attack?
Iftheblockageisonlypartialandthebloodflow
totheheartisdecreased,itcancausechest
paincalledangina.
Itmaynotcauselastingdamagetotheheart
muscle,butitisawarningsignthataperson
coulddevelopamajorheartattack.
A heart attack is caused by a
blockage in a coronary artery
What is a heart attack?
Aheartattackmayalsobe
calledamyocardialinfarction
orcoronarythrombosis.
Othertermsyoumaycome
acrossinclude:
I.Coronaryheartdisease,
II.Ischemicheartdisease,
III.Coronaryarterydisease,
IV.Anginapectoris.
Gradual increase of fatty deposits
along the inside of artery walls leads
to narrowing of the arteries
Why does fat build up in blood vessels?
Therearethreemainreasonsforfattybuild-up,andyou
cancontrolthemall:
I.smokingandothertobaccouse;
II.unhealthydiet;
III.notstayingactive.
Anearlyformoffattydeposits,knownas“fattystreaks”,
canevenbefoundinsomechildrenyoungerthan10
years.
Thesedepositsgetslowlyworseasthepersongets
older.
What is the difference between Heart
burn vs Heart Attack?
Important Risk (lifestyle) factors
The three most important lifestyle factors
are:
I.Smoking and other tobacco use
II.Unhealthy diet
III.Lack of physical activity.
Important Risk (lifestyle) factors
Poor lifestyle choices can lead to
three serious physical problems:
I.High blood pressure
(hypertension);
II.High blood sugar (diabetes);
III.High blood fats (hyperlipidaemia).
How poor lifestyle choices increase
the risk
Tobaccouse
Damageyourlungs,bloodvesselsandheart.
Theytaketheplaceoftheoxygeninthebloodthatyour
heartandbrainneedtoworkproperly.
Tobaccousegreatlyincreasesyourchanceofhavinga
heartattackorstroke.
Inhalingthetobaccosmokeof
othersmokersisasharmful
assmokingyourself
How poor lifestyle choices increase
the risk
Unhealthydiet
Anunhealthydietisonewith:
I.Toomuchfood(toomanycalories);
II.Toomuchfat,sugarorsalt;
III.Notenoughfruitandvegetables.
How poor lifestyle choices increase
the risk
Ifyoueatalotoffoodandyouarenotactive
enoughtoburnitoff,youwillputonweight.
Youcouldslowlybecomeoverweightoreven
obese.
How poor lifestyle choices increase
the risk
Unhealthydiet
Beingoverweightcanleadtodiabetes,highblood
pressure,andhighbloodfatlevels.
Allofthesephysicalproblemsincreasetheriskofheart
attacksandstrokes.
Obesepeopleareatespecially
highriskiftheyhavealotof
fataroundthewaistand
stomacharea.
How poor lifestyle choices increase
the risk
Unhealthydiet
Anunhealthydietoftencontainstoomuch“fast
food”,whichishighinfatandsugar,andsugar-
loadedsoftdrinks.
Fastfoodisalsoveryhighinsalt,which
increasesbloodpressure.
How poor lifestyle choices increase
the risk
Lackofphysicalactivity
Whenpeopledonotstayactive,theirriskofheart
attackandstrokeincreasesgreatly.
Physicalactivitylowersyourriskofheartattacksand
strokesby:
I.Helpingyourbodyburnsugarsandfatsandassisting
inkeepingagoodweight;
II.Loweringyourbloodpressure;
III.Increasingoxygenlevelsinyourbody;
How poor lifestyle choices increase
the risk
Lackofphysicalactivity
IV.Reducingstress;
V.Strengtheningyourheartmuscleandbones;
VI.Improvingbloodcirculationandmuscletone.
How poor lifestyle choices increase
the risk
.
Stayingactivealsoreducestheriskofotherillnesses,
suchascancer.
Activepeopleusuallyfeelbetterandhappier.
Theyarelikelytosleepbetterandtohavemoreenergy,
self-confidence,andconcentration.
How poor lifestyle choices increase
the risk
Lackofphysicalactivity
Youdonothavetobeintrainingforthe
Olympicstogetthesebenefits!
Walking,gardening,ordoinghouseworkforat
least30minutesonmostdayscanhelpyou
preventheartattacksandstrokes.
The physical problems that can result
from poor lifestyle choices
Highbloodpressure(hypertension)
BPistheforcewithwhichthebloodpushesagainstthe
wallsofarteries.
Ifbloodpressureishigh,theheartisworkingharder
thanitshould;overtime,thiswillcauseittoweaken.
HighBPisoneofthe
majorriskfactorsfor
heartattacks.
The physical problems that can result
from poor lifestyle choices
High blood pressure
(hypertension)
ToavoidhighBP,youneedto
stayactive,maintainahealthy
weight,&eatahealthydiet
whichdietincludeslotsof
fruitsandvegetables
The physical problems that can result
from poor lifestyle choices
.
Limittheamountofsaltinyour
diet,anddonotdrinktoomuch
alcohol.
Ifyoumakeallofthesechanges
toyourlifestyle,butyoustill
cannotloweryourBP,thereare
medicinesthatcanhelp.
Know Your Numbers: Classification of
Blood Pressure
Lifestyle Modifications to Reduce BP
Lifestyle Factor Recommendation Reduction in SBP
(mmHg)
Weight reduction Maintain BMI 18.5-24.9 5-20 per 10 kg wt loss
Diet Diet rich in fruits/veggies,
low fat dairy, reduced
saturated and total fat
8-14
Sodium Restriction <2.4 gm sodium daily 2-8
Physical Activity30 minutes of brisk
aerobic activity per day
most days of week
4-9
Moderation of alcohol
consumption
No more than 2 drinks per
day for men, 1 for women
2-4
The physical problems that can result
from poor lifestyle choices
Highbloodsugar(diabetes)
Thebodyproducesahormonecalledinsulin,which
helpsbodycellstousesugarfromthebloodtoproduce
energy.
Whenthebodydoesnot
produceenoughinsulin,
orcannotuseitproperly,
asindiabetes,sugar
buildsupintheblood.
The physical problems that can result
from poor lifestyle choices
Highbloodsugar(diabetes)
Thehighbloodsugarlevelsspeedupthedevelopment
ofatherosclerosis–thenarrowingandhardeningofthe
arteries.
Thisgreatlyincreasestheriskofheartattacks.
Treatingdiabetesinvolveschangingyourdietand
lifestyle.
Sometimes,medicinesthatlowerbloodsugarare
needed.
The physical problems that can result
from poor lifestyle choices
Highbloodfats(hyperlipidaemia)
Bloodfatsincludecholesterolandtriglycerides.
Toomanyofthesefatsintheblood,causefatty
depositsinarteriesleadingtoatherosclerosis
Thisgreatlyincreasestheriskofheartattacks.
The physical problems that can result
from poor lifestyle choices
Highbloodfats(hyperlipidaemia)
Ifyouhavehighcholesterolortriglyceridelevelsinyour
blood,youneedtoeatlessfat,stayactive,andcontrol
yourbodyweight.
Ifthesemeasuresarenotenough,youmayalsoneed
medicinetoloweryourbloodfats.
Cholesterol-Know Your numbers!
Other important risk factors
Metabolic syndrome
When a person has central obesity, abnormal blood
fat levels (e.g. high triglyceride level or low HDL
cholesterol), high BP & blood sugar at same time,
known as metabolic syndrome.
People with metabolic syndrome are at high risk of
developing diabetes or having a heart attack, and
require careful medical attention
Other important risk factors
Chronicstress
Feelinglonely,isolated,oranxiousforalong
timecancombinewithotherriskfactorsto
makeapersonmorelikelytohaveaheart
attackorstroke.
Tips for reducing your risk
Thereissomuchthatyoucandotoreducetheriskof
heartattackandstrokeforyouandyourfamily.Startby
makingsomehealthylifestyle
choices:
Ifyousmokeorusetobacco,quit.Avoidinhalingsmoke
fromotherpeople’scigarettes.
Spend30minutesadaydoingsomethingactive,like
walking,gardening,orhousework.
Tips for reducing your risk
Eat5servingsoffruitandvegetableseachday.
Limitthesalt,fat,andsugarinyourdiet.
Onceayear,askyourdoctortocheckyourweight,BP,
bloodfatsandbloodsugar.
Encourageyourfamilymembersandotherstochange
theirlifestyles.