Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

CARDIO > physiology > Flashcards

physiology Flashcards

1
Q

what ion channels are involved in depolarisation/excitation?

A

funny Na+ channel- If
transient T-type Ca2+ channels
long-lasting L-type Ca2+ channels

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

what ion channels are involved in repolarisation/relaxation?

A

voltage-gated K+ channels

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

on an ECG which leads + vessel correlate for inferior?

A

II + III + aVF
RCA

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

on an ECG which leads + vessel correlate for anterolateral?

A

I + aVL + V5 + V6
Left circumflex

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

on an ECG which leads + vessel correlate for anteroseptal?

A

V2 + V3 + V4
LAD

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

on an ECG which leads + vessel correlate for anterior?

A

V2 + V3 + V4 + V5 + V6
Left main stem

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

on an ECG which leads + vessel correlate for posterior?

A

V1 + V2 + V3 reciprocal
RCA

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

what are the causes of right axis deviation?

A

anterolateral MI
RVH
PE
Lposterior hemiblock
WPW
ASD secundum

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

what are the causes of left axis devation?

A

inferior MI
LVH
Lanterior hemiblock
WPW
ASD primum

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

what is p mitrale?

A

bifid p waves = left atrium hypertrophy

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

what can cause p mitrale?

A

HTN
aortic stenosis
mitral regurgitation
mitral stenosis

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

what is p pulmonale?

A

peaked p waves = right atrium hypertrophy

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

what can cause p pulmonale?

A

pulmonary HTN
COPD
tricuspid stenosis

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

what classes a wide QRS?

A

> 120ms

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

what classes a pathological Q wave?

A

> 1mm wide and >2mm deep
means full thickness MI

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

what are the signs of RVH on an ECG?

A

dominant R wave in V1
deep S wave in V6

17
Q

what are the signs of LVH in an ECG?

A

R wave in V6>25mm
R wave in V5/6 + S wave in V11 >35mm

18
Q

what is a normal PR interval?

A

120-200MS
(start of P wave to start of QRS)

19
Q

what are the causes of a short PR interval?

A

accessory conduction eg WPW
nodal rythm
HOCM

20
Q

what is a normal QTc?

A

380-420ms
(start of QRS to end of T wave)

21
Q

what are the causes of short QTc?

A

digoxin
beta blockers
phenytoin

22
Q

what are the causes of long QTc?

A

TIMME
toxines- macrolides, antiarrythmics quinidine, amiodarone, TCAs, histamine antagonists

inherited- romano-ward, jervell
Ischaemia
myocarditis
mitral valve prolapse
electrolytes- low mag/k/ca/temp

23
Q

what leads are T waves normally inverted in?

A

aVR + V1

24
Q

what are the features of RBBB on an ECG?

A

maRRow
wide QRS
RSR pattern in V1

25
Q

what are the causes of right BBB?

A

INCH
infarct- inferior MI
normal variant
congenital- ASD, VSD, Fallot’s
hypertrophy- RVH- PE, cor pulmonale

26
Q

what are the features of LBBB on an ECG?

A

wiLLiam
wide QRS w notched top
t wave inversion in lateral leads

27
Q

what are the causes of LBBB?

A

FLIC
fibrosis
LVH- aortic stenosis, HTN
infarct- inferior MI
coronary HD

28
Q

what are the features of bifascicular block in an ECG?

A

RBBB + LAD

29
Q

what are the causes of bifascicular block?

A

RBBB
Left anterior hemiblock

30
Q

what are the features of trifascicular block on an ECG?

A

RBBB + LAFB + 1st degree AV block

31
Q

give examples of narrow complex tachycardias

A

AVNRT
AVRT
atrial tachycardia
atrial flutter
atrial fibrillation

32
Q

give examples of broad complex tachycardias

A

VT
torsades
VF

CARDIO (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions