Brainscape's Knowledge GenomeTM

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


See full index

Phase 1 Cardio > 3 > Flashcards

3 Flashcards

1
Q

What makes up the right border of the heart?

A

(SVC) and right atrium

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

What makes up the inferior border of the heart?

A

The right and left ventricle

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

What makes up the left border of the heart?

A

Left ventricle and some of the left atrium (the left auricular appendage)

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

What makes up the superior border of the heart?

A

The right and left atrium and the great vessels

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

The anterior mediastinum is the part closest to the …………..

A

sternum

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

The posterior mediastinum is the part closest to the ……….

A

spine

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

What is the coronary sulcus/atrioventricular groove?

A

It is a groove that runs transversely around the heart. It represents the wall dividing the atria from the ventricles.

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

What is the oblique pericardial sinus?

A

A blind ending passageway located on the posterior surface of the heart.

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

What is the transverse pericardial sinus?

A

A passageway found superiorly on the heart. It separates the arterial vessels and the venous vessels of the heart.

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

What is pericardial effusion?

A

An accumulation of fluid in the pericardium.

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

What does pericardial effusion cause?

A

It puts pressure on the heart, affecting diastole- the heart cannot fill properly. This is called cardiac tamponade.

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

Explain diastole and systole.

A

Systole occurs when the heart contracts to pump blood and diastole occur when the heart relaxes and fills with blood after contraction.

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

Define cardiac tamponade.

A

Compression of the heart due to fluid build up in the sac surrounding the heart.

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

An ECG is a ………../…………. graph.

A

voltage/time

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

A standard ECG trace is how many cm and seconds long?

A

25cm, 10 seconds.

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

What does the P wave and the flat line after represent?

A

Atrial depolarisation.

Transmission through the AVN.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Why is the P wave a small wave?

A

There is less electrical tissue than in the ventricles.

18
Q

Transmission through the AVN is …….. to allow ventricles to fill.

A

slow

19
Q

Transmission through the AVN is …….. to allow ventricles to fill.

A

slow

20
Q

What does the QRS complex represent?

A

Ventricular depolarisation.

Atrial repolarisation occurs but isn’t seen on the ECG

21
Q

What does the T wave represent?

A

Ventricular repolarisation

22
Q

What is the QT interval?

What are the normal values?

A

A measure of the time to ventricular repolarisation.
Men: 350-440 ms
Women: 350-460 ms

23
Q

How long does the interval between the P wave and QRS complex last?

A

120-200 ms

24
Q

How long does QRS complex last?

A

<120 ms

25
Q

What is the difference between electrodes and leads?

A

An electrode is a physical connection to the patient which measures a potential at that point and a lead is the graphical representation of the electrical activity.

26
Q

How many electrodes record 12 lead ECG?

A

10 electrodes.

27
Q

How many leads on a 12 lead ECG?

A

12

28
Q

What are the 4 limb electrodes and their colours?

A

RA - Red
LA - Yellow
RL - Black
LL - Green

29
Q

Which of the limb electrodes is neutral and used to reduce artefacts?

A

RL Black

30
Q

Explain what is meant by bipolar when referencing limb electrodes:

A

Single positive and a single negative electrode between which electrical potentials are measured.

31
Q

Explain what is meant by unipolar when referencing limb electrodes:

A

Single positive recording electrode and utilize a combination of the other electrodes to serve as a composite negative electrode.

32
Q

Name the 12 leads.

A 
Lead I
Lead II
Lead III
aVR
aVL
aVF
V1
V2
V3
V4
V5
V6
33
Q

Which part of the hearts circulation do the lateral leads correspond to?

A

Circumflex artery.

34
Q

Which leads are lateral?

A

aVL, Lead I, V5 and V6.

35
Q

Which part of the hearts circulation do the anterior leads correspond to?

A

Left anterior descending artery.

36
Q

Which leads are anterior?

A

V2, V3 and V4.

37
Q

Which part of the hearts circulation do the inferior leads correspond to?

A

Right Coronary artery.

38
Q

Which leads are inferior?

A

Lead II, Lead III and aVF.

39
Q

Which lead is septal?

A

V1

40
Q

Which leads are the chest leads?

A

V1-V6.

41
Q

Which leads are bipolar?

A

Limb leads- Lead I-III

42
Q

Which leads are unipolar?

A

Limb leads- aVR, aVL and aVF

Chest leads- V1-6

Phase 1 Cardio (3 decks)

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