Kan taksaa thisen kalna kawng lian ber chungchang hi i hria em? A chanchin awlsam takin i zir ang u (Vena Cava).

Kan taksa hi machine mak tak ang mai a ni lawm ni? He machine hian hna a thawh chhunzawm zel theih nan a part tin hian oxygen leh nutrients a dawng vek a ngai a ni. He hna hi thisen hmanga tih a ni. Thinlung hi tui pump ang mai a ni a, taksa pum puiah thisen thianghlim, oxygen tamna a thawn chhuak thin. Mahse, taksa hnathawhna atana hman a nih hnuah chuan thisen oxygen hloh tawh chu thinlungah hruai kir leh a ngai a ni lawm ni? Chuvangin kan taksa hian "kawngpui lian" bik pahnih a nei a ni. Vawiin hian chu thisen kalna kawng lian pahnih, ‘Vena Cava’ chungchang kan sawi dawn a ni.

A awlsam zawngin Vena Cava hi eng nge ni?

A awlsam hle mai. Vena Cava hi kan taksa vein lian ber pahnih a ni. Vein hi thinlunga thisen phurtu thisen kalna kawng a ni. Hengte hi highway pahnih ang mai a ni. Taksa hmun hrang hrang atanga thisen deoxygenated, "used" lakkhawm zawng zawng chu heng vein lian pahnih hmang hian thinlungah a kal vek a ni.

Heng vein pahnih hi a awm a:

1. Superior Vena Cava: Hei hi kan taksaa vein lian ber pahnihna a ni. "Superior" tih awmzia chu "chunglam" tihna a ni. Tin, he vein hian kan taksa chunglam, chu chu kawr, lu, kut leh ke chunglam atanga oxygen tlachham thisen chu a la khawm a, thinlungah a hruai kir leh thin.

2. Inferior Vena Cava: Hei hi kan taksa vein lian ber a ni. "Inferior" tih awmzia chu "hnuai zawk" tihna a ni. Chumi ang chuan he vein hian kan taksa hnuai lam, ke, pum, kal leh thin atanga thisen oxygen tlachhamte chu a khawlkhawm a, thinlungah a hruai lut a ni.

Hei hi Sri Lanka rama bus kalna kawngpui ang maiin han ngaihtuah teh. Ram chhung khaw tin atanga bus te te (vein te) lo kalte chu khawpui lian takah an lo kal a, chuta tang chuan Colombo panna kawngpui lian (the vena cava) chu an zawm ang mai a ni. Taksa hmun hrang hrang atanga thisen kalna kawng te tak te te hian heng main vein pahnih hi an inzawm khawm a, thisen chu main station "Colombo" an tih ah an hruai a, chu chu "thinlung" tihna a ni.

Heng vein pahnih hnathawh tak tak hi eng nge ni?

Heng vein pahnih hnathawh ber leh awmchhun chu oxygenated leh carbon dioxide tamna thisen "bawlhhlawh" chu taksa pum puiah thinlungah phurh kir leh hi a ni.

Hetiang kalphung hi engtin nge a thawh tih hi han en ila:

• Vena cava chunglam leh hnuai lam atanga thisen lo chhuak chu thinlung dinglam atrium-ah a awm khawm thin.
• Tichuan chu thisen chu thinlung ventricle dinglam lamah a kal ta a ni.
• He thisen hi right ventricle atanga lungs ah pulmonary artery kaltlangin a pump chhuak thin a ni .
• Magic tak tak chu lungah a thleng thin. Thisen atanga carbon dioxide an paih chhuak a, kan thawk theih nan oxygen an dah tel bawk. Thisen chu "tithianghlim" ang mai a ni.
• Tuna thisen "thianghlim" tawh, oxygen khata khat chu thinlung veilam atrium-ah a kir leh ta a ni.
• Chuta tang chuan left ventricle ah a kal a , chuta tang chuan aorta kaltlangin taksa pum puiah pump a ni .

He cycle hi a chhunzawm zel a ni. Chuvangin i hmu em, he cycle hi heng vein pahnih te hi awm lo se chuan a famkim lo ang, a dik em? Chutiang khawpa pawimawh chu an ni.

Vena Cava hi khawiah nge a awm? Engtin nge a lan?

Heng vein pahnih hi thinlung dinglamah a awm a. Superior Vena Cava hi sternum dinglamah a awm a, chu chu kan rilru lai takah ruh lian tak a ni. Thinlung dinglam atrium nen a inzawm nghal vek a ni.

Inferior vena cava hi a sei deuh a ni. Kan pum chhunga vein lian pahnih inzawmkhawm atanga tan a ni. Chuta tang chuan a chho a, thinlung atrium dinglam nen a inzawm ta a ni.

A lian zawngah chuan:

• Superior vena cava (SVC): A sei zawng chu centimetre 7 vel (inches 3 vel) a ni a, a zau zawng chu centimetre 2 vel (inch khat aia tlem) a ni.
• Inferior vena cava (IVC): Millimeter 100 (inches 4 vel) a sei a ni. Millimeter 22 (inch khat vel) vel a zau a ni.

An bang hi cell chi hrang hrang, connective tissue, nerve fiber leh muscle tissue atanga siam a ni a, chu chuan an mamawh flexibility leh chakna a pe a ni.

Eng dinhmun nge Vena Cava hi a nghawng thei?

Organ dang zawng zawng ang bawkin heng vein lian pahnih hian harsatna an nei thei bawk. Buaina ber chu heng veins chhunga thisen kal dan tur tikhawlo (obstruction) a awm vang a ni. He obstruction hian thisen chu thinlungah a luang tha thei lo. Hetiang dinhmun hi ‘Vena Cava Syndrome’ kan ti a. Vein a tihbuai dan azirin hei hi ‘Superior Vena Cava Syndrome’ emaw ‘Inferior Vena Cava Syndrome’ emaw a ni thei.

Hei hi a chhan lian tak tak engemaw zat a awm thei:

• Tumor: Tumor, lung cancer ang chi hi a lo thang lian thei a, he vein hi pressure a siam thei bawk.
• Blood Clots: Thisen zam hi vein chhungah a lo piang thei a, a block thei bawk. A chang chuan operation hnua catheter emaw pacemaker emaw dah hian thisen zam a tipung thei bawk.
• Congenital Malformation: Mi thenkhat chu heng veins-ah hian defect neiin an piang thei.

Hetiang dinhmunah hian eng vein nge harsatna awm tih a zirin symptoms lo chhuak hi a inang lo.

Engtin nge heng vein te hriselna hi i check thin?

Heng symptoms te hi i neih chuan i doctor chuan a enfiah hmasa ang che a, chutah chuan test eng emaw zat a nei thei a, i harsatna chhan dik tak chu a finfiah thei ang.

• Chest X-ray: A rilru a buai em em a, a rilru a hah em em bawk a.
• Ultrasound scan: Sound wave hmanga taksa chhung lam thlalak lak.
• CT scan (Computed Tomography): Computer thlalak bik hmanga taksa cross-sectional view siamna test a ni.
• MRI scan (Magnetic Resonance Imaging) hmanga tihchhuah a ni.Magnetic field hmanga taksa thlalak chiang tak tak hmuh.
• Coronary Angiography: X-ray hmanga thisen kal dan enfiah a, thisen kalna kawng hrang hrangah dye bik inject a ni.

Chutiang harsatnate enkawl dan tur chu engte nge ni?

Enkawl dan tur chu harsatna awm chhanah a innghat a ni. I doctor chuan i tana tha ber tur enkawlna a thlang ang.

• Damdawi: Diuretics emaw steroid emaw pek theih a ni a, chu chu a hring tihziaawmna atan a ni. Thisen zam a awm chuan a hmin theih nan damdawi (thrombolytics) emaw, thisen zam dang lo awm leh tur tihtawp nan emaw (anticoagulants) pek theih a ni.
• Blood clot removal: A chang chuan tube te tak te (catheter) vein kaltlangin thisen zam chu paih chhuah theih a ni.
• Angioplasty leh Stent: A block tawh chu balloon ang chi hmanga inflate a, mesh ang chi tube (stent) te tak te dahin a zim leh tawh loh nan.
• Surgery: Tumor in blockage a siam a nih chuan surgery hmangin tumor lakchhuah theih a ni. A chang chuan bypass surgery hmangin thisen kalna tur kawng thar siam theih a ni.
• Cancer enkawl dan: Cancer hi a chhan a nih chuan chemotherapy emaw radiation emaw a ngai mai thei.
• Vena Cava Filter: I ke ruh thuk takah thisen zam (Deep Vein Thrombosis - DVT) i neih a, pulmonary embolism vei theihna i neih chuan i doctor chuan inferior vena cava-ah filter te tak te a dah thei ang. Hei hian clot chu ke chungah a kal thei lo.

Heng thisen kalna kawng pawimawh tak takte hi hrisel taka awm reng turin eng nge kan tih theih ang?

Kan taksa chhunga thisen kalna kawng zawng zawng hi hrisel taka vawn reng a pawimawh tak zet a, vena cava vein pahnih chauh ni lovin. Kan tanpui theih nan thil awlsam tlemte kan tih theih a awm.

• Diet tha: Saturated fat tlem leh thei leh thlai tamna diet ei hi a pawimawh hle.
• Exercise: Nitin active takin awm rawh. Kea kal emaw, tlan emaw ang chi thil awlsam tak pawh hian danglamna nasa tak a thlen thei a ni.
• Stress tihziaawm: Stress hi i thisen kalna tur atan a tha lo. Yoga leh meditation ang chi thil hmangin i rilru ti hahdam rawh.
• Natna dang thunun: Thisen sang, cholesterol, zunthlum ang chi natna i neih chuan doctor thupek angin control tha rawh. Heng natnate hian thisen kalna kawng a tichhe thei a ni.

He thuziaka kan sawi tawh ang chi symptoms i neih chuan ngaihthah suh. Doctor hnenah thurawn dil nghal rawh. A enkawl dan dik tak zawm hi dam thuai nan a pawimawh hle.