Fumanweng lefu la pelo - aortic stenosis

Aortic stenosis, eo hape a bitsoang stenosis, belofo aortic , kapa aortic stenosis, e bua ka fumana lefu la pelo, e leng etsa hore e lethopa manyolo ka di-valve pelo, ho doors, partitions lijana haholo le myocardium. Sesosa sa stenosis aortic hangata rheumatic endocarditis, le hoja e le ka boela ile a etsa hore ke endocarditis infective le atherosclerosis.

Ka lebaka leo, ho na le ke kopanngwe rheumatic endocarditis ea phunyang aortic, 'me thickening bona le narrowing ea qalang pakeng tsa ventricle letšehali la pelo le aorta. mokoallo A Ho thehoa ha mali fetisa nakong ea khutsufatso ea pelo e ho tswa ho ventricle letšehali ka aorta e, ke hore,, aortic belofo stenosis. Ka tsela eo motlatsi mosebetsing oa ho pathological hangata e huleloa lijana gogoga.

hemodynamic tsitse

diphetho Aortic stenosis ka sitiswa tsa hemodynamics ha aortic bose sebakeng decreases ho 0,75-1,75 cm² ka lebelo la disentimetara lisekoere 3-4 Nakong systole, mali e tsoibitsoe ke ventricle le letšehali, le kopana ho hanyetsa bohlokoa. Re Matlafatsoa le letšehali ventricular khutsufatso ha a na nako ea ho lahla mali ka aorta le ba bang ba e sala ka cavity le ventricular. Nakong ea diastole latelang ho bophahamo ba modumo setseng mali a ka ventricle letšehali mali e phaella ka ho re ho karolo e tloaelehileng ea atrium setseng. Butle-butle palo ea mali ka ventricle e haholo e ile ea eketseha, ea isang ho otlolla hae. overload Sena se etsa hore hypertrophy le dilatation tsa ventricle letšehali. Ha a ntse a ventricle tsoeroe ke lefu la le mojaro o boima, ha ho na ditlolo hlokomela. Ha nako e ntse, e ke ke ka botlalo kopana le le litlhoko tsa ba makala 'me lisele tse maling.

setshwantsho ea tleleniki

Ka mohato sekoli lefisa ditletlebo mokuli a ke ke a ba joalo. Ha nako e ntse, nakong ea ho ikoetlisa e ka hlaha bohloko ka pelong ea ka, molikoalikoane, ho fainting. Ka ho ba sethaleng sa decompensation sekoli ditletlebo tsena ba ka ho sa feleng. Ho phaella moo, ka ho bakuli ba bokhutšoanyane phefumoloho, e leng ka mekhahlelo e mathoasong a ho na le ke wrinkle reflex cardiac le asma e le phetoho khoneha ho edema methapo. Bakuli ba atisa ho ikutloa Boima le bohloko le tokelo quadrant holimo.

Bone ho tloha ba le mamello e senola pallor maqephe a ka lebaka la ho spasm ea methapo ea mali ea letlalo ka lebaka la e tlase ejection pelo ea mali. Ka lebaka la ho hlōleha ha pelo ea ka tsubuhlellano ntlafatsong ea tsamaiso ea ho potoloha ha mali bonahala akrozianoz.

Nakong palpation ka hlalosoa le ho matlafatsoa ho apical cardiac tšusumetso e tsoang ho. Ha pelo ea ho hloleha apical tšusumetso e tsoang ho e Amplified le ile a khaotsa fatše le ho le letšehali. Ha re khanna palpation ikemiselitse systolic jitter sefubeng leboteng ka bobeli intercostal sebaka ka ho le letona, se bitsoang letšoao la feline purring, ka Botkina Ke V jugular fossa.

Aortic stenosis auscultation bonahatsoa fokolisang tsa pelo ea utloahala, petsoha kapa bifurcation ke a hloma le mahoashe e matla systolic korotlela ka bobeli intercostal sebaka ho na le tokelo ea sternum ena. Lerata e hantle a ileng ae etsa ka jugular le supraclavicular fossa, ka mothapo ho carotid.

Pulse length le khatello ea mali ka nako puseletso e-s'o fetohe sekoli. Le ntshetsopele ya decompensation develops fokotseha ka systolic le pulse length khatello, lebelo leo pelo e fetoha butle, ho na le bradycardia.

Aortic stenosis fumanoa sebelisa ECG ya data PCG, echocardiography.

kalafo

kalafo mekhoa e tloaetsoeng ea stenosis aortic ke ho tšoara sesosa se ipatileng sa lefu lena - rheumatism, arteriosclerosis, infective endocarditis, le liponahatso tsa cardiac le gogoga insufficiency.

Ha aortic stenosis tsamaea le ho eketseha ha kretiente systolic khatello e ka mose ho belofo tsa aorta, ho hlokahala hore ho kenella ho buoa se hlahile. Mokhoa o tloaelehileng haholo oa ho kenella ho buoa ke balune dilation, empa mokhoa tsa motheo tsa ho e lokisa ha le sekoli aortic belofo.