1B1 week 1 college 4 Flashcards

1
Q

P top ECG

A

Depolarisatie atria

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2
Q

Delay (tussen P en Q) ECG

A

In de prikkeloverdracht van atria op ventrikels via AV-knoop

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3
Q

QRS complex ECG

A

Depolarisatie septum en ventrikels

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4
Q

R top ECG

A

Depolarisatie ventriculaire hartspiercel

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5
Q

T top ECG

A

Repolarisatie ventrikels, repolarisatie ventriculaire hartspiercellen

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6
Q

Actiepotentialen Purkinjevezels en myocardcellen

A

Zeer snelle depolarisatie door natrium en een plateaufase door calcium

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7
Q

Refractaire periode

A

Re-activatiefase van de natriumkanalen

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8
Q

Kanaaleiwit in rust

A

Richting de intracellulaire zijde van het membraan

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9
Q

Kanaaleiwit tijdens depolarisatie

A

Richting extracellulaire zijde van het memebraan

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10
Q

Kaliumconcentratie bepaald…

A

De hoogte van de rustmembraanpotentiaal

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11
Q

Hyperkaliëmie

A

Verhoging van de extracellulaire [K+]

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12
Q

Gevolgen hyperkaliëmie

A

Tetanus, hartritmestoornis of hartstilstand

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13
Q

Hypokaliëmie

A

Verlaging van de extracellulaire [K+]

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14
Q

Gevolgen hypokaliëmie

A

Spierzwakte of hartritmestoornissen

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