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RCES RETEST- FINAL > Cardiac Foundations > Flashcards

Cardiac Foundations Flashcards

1
Q

What is the purpose of the fibrous skeleton?

A

Separates electrical signals between the atria and ventricles and provides structure for the heart and valves

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2
Q

Name the cardiac muscle layers in order from outside to inside.

A

Epicardium, Myocardium, endocardium

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3
Q

Name the pericardial fibrous sac layers from outside to inside.

A

Parietal cavity, Pericardial cavity, Visceral pericardium

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4
Q

The later of the pericardiac sack adhering to the wall of the epicardium.

A

Visceral Pericardium

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5
Q

The part of the pericardial fibrous sac that is fluid filled?

A

Pericardial cavity

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6
Q

The layer of the pericardial fibrous sac that adheres to the diaphragm?

A

Partietal cavity

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7
Q

The artery that supplies blood to the SA node, the bottom, the back , and the right side of the heart

A

Right coronary artery (RCA)

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8
Q

The artery that supplies blood to the front and left side of the heart

A

Left main coronary artery

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9
Q

Removes Co2 and waste products from the heart muscle

A

Coronary veins

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10
Q

Pacemaker of the heart

A

SA node

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11
Q

Has a bpm of 60-100bpm

A

SA node

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12
Q

What slows down the conduction from the SA node to allow proper ventricular filling time?

A

AV node

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13
Q

Has a bpm of 40-60 bpm

A

AV node

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14
Q

final pacemaker of the heart

A

His Bundle

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15
Q

Has a bpm of 20-40 bpm

A

His bundle

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16
Q

Separates the atrial tissue from the trabeculated segments of the RA

A

crista terminalis

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17
Q

Band of tissue that surrounds the fossa ovalis

A

Limbic ridge

18
Q

More prominent the bigger challenge to target the fossa ovals for transeptal access/ puncture

A

Limbic ridge

19
Q

Semi- circular fold as the coronary sinus enters the RA

A

Thebesian valve

20
Q

The more prominent the tissue the more of a challenge it is to advance the catheter

A

Thebesian Valve

21
Q

Fibrous tissue that runs along the floor from the RA from the ICV anteriorly to the AV node

A

Tendon of Todaro

22
Q

Lines the junction where the IVC and RA connect

A

Eustachian ridge

23
Q

For later individuals or ones with well developed this ridge can be a challenge for ablations

A

Eustachian ridge

24
Q

This slows atrial conductions and is known as an area of slow conduction

A

Cavotricuspid isthmus

25
Q

The tissue between the oriface of the IVC and the attachment of the leaf of the tricuspid valve

A

Cavotricuspid Isthmus

26
Q

What does the triangle of Koch consist of?

A

Tendon of Todaro, Bundle of HIS, Septal leaflet of the tricuspid annulus, CS os

27
Q

Where is the Triangle of Koch located?

A

An imaginary region in the lower right atrial septum

28
Q

Keeps the blood moving from the RA to the RV

A

RVOT

29
Q

These contract to prevent prolapse of the tricuspid valve

A

Papillary muscles

30
Q

These tighten or lengthen to open the valves

A

Chordae Tendineae

31
Q

Prevents the ventricles from over stretching and can be an obstruction for placing catheters in the RV

A

Moderator band

32
Q

On the epicardium between the LAA and Ostia of the left PV

A

Ridge of Marshall

33
Q

Provides structural support for the Left PV and mitral Valve

A

Ridge of Marshall

34
Q

Facilitates conduction between the left and right atria

A

Bauchmans bundle

35
Q

Segment of HIS that transitions into the his bundle

A

Nodal his

36
Q

Segment of HIS bundle that Contains cells that delays conduction

A

Nodal

37
Q

Segment of the HIS that receives input form the crest terminals and intertribal septum

A

Atrial node

38
Q

Separates the muscles wall from the atria to avoid the ventricles pacing 1-1 with the atria and are non conductive

A

Trigones

39
Q

Where is the CS os located in reference to the tricuspid valve?

A

Posterior

40
Q

Valve is found in front of CS and may make entry more challenging?

A

Thebesian

RCES RETEST- FINAL (21 decks)

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