BCC Flashcards

1
Q

Canale L

A

-pe cel musc netede,miocard
-si pe cel musc striate,gl endocrine,neuroni(mai putine)
-mediaza intrare Ca la niv nodul sinoatrial si atrioventric
-prag de activare inalt,inactivare lenta
-blocat de BCC-dihidropiridine,diltiazem,verapamil
-scade forta de contr miocard cu bradicardie

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Legare de recep

A

-dihidropirifine-de S6 de la domeniul 3 si 4
-fenilalchilamine de S6 de la domeniul 4
-benzotiazepine de puntea citoplasmatica de legare dintre domeniul 3 si 4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Actiune pe recep in stare

A

Deschisa sau inactiva(asa trb sa fie ca sa poata actiona)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Clasif

A

-dihidropiridine(1-nifedipina,2-nicardipina,3-amlodipina)-generatii

-benzotiazepine(1-diltiazem,2-clentiazem)

-fenilalchilamina(1-verapamil,2-galopamil)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Efecte hemodinamice

A

Cel mai mare ef il au dihidropiridine urmate de verapamil si diltiazem apoi.

-vasodil in special arteriolodilatatie(tonus venos nemodif)
-reduc efect presor al catecolamine endogene
-coronarodil

Efectele variaza cu calea de adm si cu disfunctiile ventriculului stg

La unele dihidropirine cu act de scurta dur vasodil da o scadere rapida de tensiune,urmata de o reactie simpatica de contrareglare care poate agrava cardiopatia ischemica sau tulb de circ cerebrala(daca sunt prezente.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Efecte pe cord

A

-inotrop negativ(scade functia de contr)-VERAPAMIL(urmat de diltiazem)

-cronotrop nevativ(scade frecv card)-verapamil cel mai mult urmat de diltiazem(se bloc canalele lente si se incetineste refacerea lor adica revenirea in stare de excitabilotate)
Verapamilul blocheaza cu atat mai tare cu cat creste frecventa stimularii.

-dromotrop negativ(scade cond AV)-mai putin ca beta bloc dar prudenta la asociere-(doar verapamil si diltiazem au acest efect-nu dihidropirine,la fel ca si restul efectelor)

CONCLUZIE
-verapamil si diltiazem efect antiaritmic(tahiaritmii supraventric)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Alte efecte

A

-ef natriuretic
-ef antiaterosclerotic/anticalcinotic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Farmacocinetica

A

Amlodipina T1/2 mai lung-se adm o data pe zi

Se modif dozele la IH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Indicatii

A

1)
-HTA-(mai ales sistolica izolata)
+boli vasculospaspice
+astm bronsic
+sarcina(nifedipina)
-preventie AVC
-varstnici,rasa neagra
-+AP
-+ATS carotidiana
-+activit renina crescuta(ca IECA si beta bloc)

2)boli coronariene isch-angine inclusiv cea vasospastica Prinzmetal

3)tahiaritmie supraventric(verapamil,diltiazem)

4)postAVC hemoragic(nimidipina)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Contraindic

A

-verapamil si diltiazem-BAV gr 2 sau 3,disfunctie nodul sinusal

-verapamil-IC,disfunctie VS

-diltiazem-IC,IMA,staza pulm de orig cardiana

-nu se dau in moniter la pac cu IRC

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Ef adverse dihidropiridine

A

-cefalee,ameteli,flushing,palpitalii
-edeme maleolare

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Ef adv benzodiazepine(diltiazem)

A

-cefalee,ameteli
-eruptii cut,dermatita exfoliativa
-tulb vedere
-nevrita perif
-edeme

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Ef adv fenilalchilamine(verapamil)

A

-constip,greata
-bradicardie,BAV
-precipitate IC

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Amlodipina

A

-NORVASC
-2,5-10mg/zi o priza

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

FELODIPINA

A

-compr cu elib prelung
-specificitate vasc
-prima sapt stim simpatica reflexa dupa dispare
-la conc terapeutice nu are efect inotrop negativ

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Lercanidipina

A

-LERIDIP
-T1/2 scurt dar blocare prelung canale de calciu
-selectivitate vasc superioara amlodipinei
-renal dilata si a aferenta si cea eferenta (spre deosebire de alte DHP)-efect protector
-ef adv reduse
-10-20 mg/zi o priza

17
Q

Isradipina

A

-fara tahicardie reflexa
-fara ef inotrop neg
-nu intarzie conducerea AV
-poate fi folosita in BAV
-poate fi folosita cu Beta bloc

18
Q

Diltiazem

A

-pe HTA,angina pect,aritmii supraventric
-amelioreaza fct renala la pac cu nefroscleroza hipertensiva,nefropat diab,IRC avansata
-+alcool-accentuare hipotens
-+nicotina-creste producere aritmii
-indicatie in prejenire rejet grefa transplant renal

19
Q

Verapamil

A

-pt HTA,angina pect si aritmii supraventric
-amelioreaza lusitropismul(relax si umplere diastolica) ->indicat pt HTA cu HVS sau cardiomiopat hipertrofica