Brainscape's Knowledge GenomeTM

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


See full index

Drugs > Anatomy and physiology > Flashcards

Anatomy and physiology Flashcards

0
Q

What is normal AO pressure

A

120/80

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

What is normal RA pressure

A

A mean of 6mmHg

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

What is normal PA pressure

A

25/10

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

What is normal RV pressure

A

25/5

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

What is normal wedge pressure

A

Mean 10mmH

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

What is normal LA pressure?

A

Mean 10

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

What is normal LV pressure

A

120/7

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

What makes up the Triangle of Koch?

A

TA, CS, tendon of Todaro, HIS

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

What constitutes the fibrous skeleton of the heart?

A

Tricuspid annulus, mitral, aortic and pulmonary valves

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

Fast pathway anatomy:

A

Anterior-superior aspect of the tricuspid valve, close to the HIS.

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

What is normal CO?

A

4-8L/min

CO = HR x SV

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

What is normal EF?

A

65%

SV/EDV

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

What is the time from the mitral valve closing to the opening of the aortic valve?

A

Isovolumic contraction

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

What describes the resistance that the heart must overcome to eject blood?

A

After load

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

Infranodal block is conduction block involving?

A

The HIS purkinje system

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

Characteristics of 1st degree heart block

A

Slowing in AVN with a PR >200

1:1 relationship a to v

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

Characteristics of 2nd degree AV block

A

PR gradually prolongs and a V is dropped.

AKA Wenckebach
Mobitz 1

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

Characteristics of 3rd degree HB

A

Disassociation of A and V.

Mobitz type 2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What are the prerequisites for reentry?

A
  1. Two circuits with a common connection.
  2. Different conduction velocities
  3. Different refractory PDA
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What is orthodromic tachycardia?

A

Down the node up the pathway

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What is Antidromic tach?

A

Down the pathway and up the node

21
Q

What are characteristic of AFL?

A

Negative in inferior leads

Counter-clock

22
Q

What is triggered activity caused by?

A

Afterdepolarizations

Acceleration in late phase 3 or early phase 4 of leakage of positive ions into the cell.

23
Q

When would Signal averaged ECG used?

A

Pts post MI.

To look for ventricular late potentials using modified 6lead to high frequency QRS duration (normal 20)

24
Q

What does T-wave alternans screen for?

A

SCD risk stratifier.

25
Q

What are the normal parameters for signal average ECG, including duration, root mean square and low amplitude signals

A

Dur35ms; LAS <30-35

26
Q

28yo pt with orthostatic hypotension and 3 episodes of sudden syncope in last 3mo. Physical exam, labs and ECG normal. What test is used to determine the cause of syncope?

A

Tilt table test

27
Q

What tachycardia terminates with carotid massage?

A

Typical AVNRT via a regrade slow pathway

28
Q

How do you convert BPM to MS?

A

Take the number you have (BPM or ms) and divide it into 60000

29
Q

What is normal AH?

A

50-140ms

30
Q

What is normal HV?

A

35-55ms

31
Q

What is relative refractory period?

A

The longest s1-s2 coupling interval that conducts.

32
Q

What is effective refractory period?

A

Longest coupling interval that fails to capture.

33
Q

What is functional refractory period?

A

Min distance that is observed between s1 and s2 that captures and produces an impulse.

34
Q

With normal retrograde conduction, the earliest atrial activation is observed where?

A

HIS

35
Q

An AH jump is —-ms.

A

50ms

36
Q

The longest coupling interval for which. Premature impulse fails to propogate through tissue is the—.

A

Effective refractory pd.

37
Q

What is the typical AVNRT conduction?

A

Jump - down slow- up fast

38
Q

Concealed pathway only has —- conduction.

A

Retrograde

39
Q

If delta wave is positive in the inferior leads it is likely where

A

Anterior

40
Q

If delta is neg in inferior leads where is AP located?

A

Posterior

41
Q

If delta is neg in lead II, the AP is located where?

A

In a vein or Epicardial

42
Q

What are the ECG characteristics of BB reentry?

A

Left BBB (neg QRS V1) with superior axis (neg II, III, aVF).

43
Q

What type of VT is verapamil sensitive

A

Left fascicular VT

44
Q

What are the characteristics of superior axis?

A

Neg in inferior leads.

45
Q

What are the ECG characteristics of LVOT VT?

A

RBBB, inferior axis (+II, III, aVF), precordial leads are concordat with positive peaked QRS

46
Q

What is a typical characteristic of concealed bypass tract?

A

Incapable of a regrade conductionz

47
Q

Preexcitation of the atrium with ventricular pacing is strong evidence of?

A

AV pt pass tract

48
Q

The earliest site of activation of a qRS during VT is referred to as?

A

Presystolic signal

49
Q

An atrial echo results from?

A

Retrograde atrial activation from within the AVN

Drugs (5 decks)

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