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Blok 6 Homeostase I Samenvatting

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Blok 6 Homeostase I Samenvatting - INCLUSIEF casus 1 t/m 10, e-modules, overige flankerende zelfstudie, VOW stof en geneesmiddel van de week. Samengevat per onderwerp.

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Blok 6 Homeostase I

WEEK 1
BELANGRIJK............................................................................................................................................4
Farmacokinetiek.....................................................................................................................................4
Absorptie............................................................................................................................................5
Distributie...........................................................................................................................................5
Metabolisme......................................................................................................................................5
Eliminatie............................................................................................................................................6
Farmacodynamiek..................................................................................................................................6
RAAS systeem.........................................................................................................................................8
Nierfysiologie..........................................................................................................................................9
Glomerulus en GFR.............................................................................................................................9
Rekenen met de GFR....................................................................................................................11
Tubuli................................................................................................................................................12
Manieren van transport....................................................................................................................13
Transport van andere organische stoffen.........................................................................................13
Regelsystemen in de nierfysiologie......................................................................................................14
Regulatie van de natriumbalans.......................................................................................................14
Regulatie van de waterbalans...........................................................................................................15
Regulatie van de kaliumbalans.........................................................................................................16
Regulatie zuur-base balans...............................................................................................................17
Aanvullende functies van de nier tubulus.........................................................................................19
Farmacologische regulatie AZS.............................................................................................................21
Argumenteren......................................................................................................................................24
Hartfalen...........................................................................................................................................26
Hypertensie......................................................................................................................................26
Basisbegrippen.................................................................................................................................27
E-health................................................................................................................................................27
Thuismonitoren................................................................................................................................27
Wearables.........................................................................................................................................28
Introductie homeostase.......................................................................................................................29
Proteïnurie............................................................................................................................................30
Hematurie............................................................................................................................................32
Diagnostiek in de nefrologie.................................................................................................................35
Hemodynamica.....................................................................................................................................36

1

,Anatomie hart en functie.....................................................................................................................37
Elektrische activatie en functie.............................................................................................................42
ECG beoordeling...................................................................................................................................45
PV-loops en ventriculaire belasting......................................................................................................51
ACHD....................................................................................................................................................54
Cyanose................................................................................................................................................56
Medicatie bij congestief hartfalen........................................................................................................57
Metoprolol........................................................................................................................................57
Atenolol............................................................................................................................................58
Propranolol.......................................................................................................................................58
Klepafwijkingen....................................................................................................................................59
Aortaklep..........................................................................................................................................59
Aortaklepstenose..........................................................................................................................59
Aortaklepinsufficiëntie..................................................................................................................61
Mitralisklep.......................................................................................................................................61
Mitralisklepstenose......................................................................................................................62
Mitralisklepinsufficiëntie..............................................................................................................62
Tricuspidalis......................................................................................................................................63
Tricuspidalisklepinsufficiëntie.......................................................................................................63
Cardiale beeldvorming.........................................................................................................................64
Echocardiografie...................................................................................................................................66
Cardiale ontstekingen...........................................................................................................................67
Pericarditis........................................................................................................................................67
Myocarditis.......................................................................................................................................68
Endocarditis......................................................................................................................................69
Cardiomyopathieën..............................................................................................................................69
Pathologie van het hart........................................................................................................................70
Hartfalen...............................................................................................................................................73
Astma...................................................................................................................................................81
COPD....................................................................................................................................................84
Spirometrie...........................................................................................................................................88
Gastransport.........................................................................................................................................91
Diffusie en diffusiemeting.....................................................................................................................93
Circulatie van de longen.......................................................................................................................95
Longembolieën.....................................................................................................................................95
Pneumothorax......................................................................................................................................98

2

, Spontane pneumothorax..................................................................................................................98
Traumatische pneumothorax.........................................................................................................100
Spanningspneumothorax................................................................................................................100
Radiologie longen...............................................................................................................................100
Interstitiële longziektes......................................................................................................................101
Hypersensitiviteitspneumonitis.....................................................................................................102
Sarcoïdose.....................................................................................................................................103
Beroepsgebonden aandoeningen.......................................................................................................105
Longtransplantaties............................................................................................................................106
ARBO..................................................................................................................................................107
Participatiewetgeving.........................................................................................................................107
Geneesmiddel van de week................................................................................................................109
Amiodaron......................................................................................................................................109
Clopidogrel.....................................................................................................................................109
Metformine....................................................................................................................................110
SGLT2-remmers..............................................................................................................................111
Hydrochloorthiazide.......................................................................................................................112
Tamsulosine....................................................................................................................................112
Metoprolol......................................................................................................................................113
Acetylsalicylzuur.............................................................................................................................114
Salbutamol......................................................................................................................................114
Apixaban.........................................................................................................................................115
Losartan..........................................................................................................................................116
Enalapril..........................................................................................................................................116




3

, BELANGRIJK

Sensitiviteit: de kans dat een test positief is bij iemand die ZIEK IS
- Weinig zieke mensen worden gemist -> weinig vals-negatief
Specificiteit: de kans dat de test negatief is bij iemand die NIET ZIEK IS
- Weinig vals-negatieven

Positief voorspellende waarde: de kans dat iemand met een positieve uitslag ook ZIEK IS
Negatief voorspellende waarde: de kans dat iemand met een negatieve uitslag NIET ZIEK IS

Farmacokinetiek
Farmacokinetiek beschrijft wat het lichaam doet het een farmacon. Dit kan onderverdeeld worden in
absorptie, distributie, metabolisme en eliminatie.

De totale blootstelling van het lichaam aan het farmacon wordt weergeven met de Area Under the
Curve (AUC). De oppervlakte van deze curve is de totale hoeveelheid farmacon die in het bloed heeft
gezeten gedurende de gemeten tijd.




Zodra de absorptiesnelheid gelijk is aan de eliminatiesnelheid , is de Tmax van het farmacon bereikt.
De Tmax is de tijd die het duurt voordat de Cmax is bereikt. Cmax is de maximale concentratie in het
bloed die behaald kan worden bij een dosis.

Factoren op Cmax, T1/2 en Vd:

1. Hoge leeftijd
- Cmax: omhoog -> hoge leeftijd tast nierfunctie aan -> verlaagt klaring
- T1/2: omhoog
- Vd: geen verandering

2. Obesitas
- Cmax: omlaag -> gaat als gevolg omlaag van hogere Vd
- T1/2: omhoog -> gaat omhoog als gevolg van hogere Vd
- Vd: omhoog -> door meer vet


4

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