Pleur And Pericardium Flashcards

1
Q

Why is the parietal layer sensitive?

A

It is innervated by somatic nerves

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2
Q

What kind of covering is the pericardium?

A

Fibro-serous

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3
Q

What kind of covering is pleura?

A

Serous

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4
Q

Where does the cervical part of the parietal pleura extend into?

A

Into the root of the neck (it is vulnerable here)

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5
Q

What can lead to cardiac tamponade?

A

Pericardial effusion

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6
Q

What recess is clinically useful in relieving pericrdial effusion?

A

Costomediastinal recess

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7
Q

In stab injuries of the broken and in surgerys of the kidneys and spleen what may be damage?

A

The lungs

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8
Q

What is the mediastinum?

A

The space between the pleural cavities or broad central partition between the pulmonary cavities

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9
Q

What is the suprapleural membrane?

A

Fibrous endothoracic fascia that covers the cervical pleura

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10
Q

What are the two layers of the pleura?

A

The visceral and parietal layers (they are continuous)

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11
Q

The visceral pleura covers what organ while the parietal pleura adhere’s to what?

A

To the lungs, parietal pleura is adherent to the wall

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12
Q

What line goes down the midline in the front side front side of the body?

A

Anterior mid line

Sternal line

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13
Q

What line goes down the clavicle?

A

Midclavicular line

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14
Q

What 3 lines are seen on the lateral side of the body?

A

Posterior axillary line

Mid axillary line

Anterior axillary line

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15
Q

What 2 lines are seen on the back side of the body?

A

Posterior median line (PML)

Scapular line

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16
Q

At what point does the lung cross the MCL?

A

CC6

17
Q

At what point does the lung reach the MAL

A

Cc8

18
Q

At what pout does the lung cross the SL/PVL?

A

CC10

19
Q

At what point does the Parietal pleura cross the MCL?

A

8th rib

20
Q

At what point does the parietal pleura cross the MAL?

A

10th rib

21
Q

At what point does the parietal pleura cross the SL/PVL?

A

12th rib

22
Q

At what point do the lungs meet and what path to they follow?

A

CC2 level and follow a straight path from CC2 to CC4 where they part ways

23
Q

After parting ways how do the left and right lung differ in their path?

A

Right lung goes straight down to CC6

Left takes a curvilinear to CC6

24
Q

Which costodiapgragmatic (costophrenic) recess is larger??

A

Left

25
Q

What is the costophrenic (costodiagphragmatic) angle?

A

A normal angle seen in the thoracic cavity between the diaphragm and the thoracic cavity

26
Q

Why s a posterior thoracocentesis not a viable option?

A

Between ribs 10 and 12 there are other organs such as spleen or kidney

27
Q

A thoracocentesis for pleura effusion a the mid axillary line is bet performed in which intercostal space?

A

Eight and ninth

Intercostal space 10 and 11 in the posterior side on VL

28
Q

What kind of sac is the pericardium?

A

A fibro-serous sac

29
Q

What are the two layers of the pericardium

A

The outer single layers fibrous pericardium

The inner double-layered serous pericardium

30
Q

What can be found the base of the hearth between the great vessels?

A

Oblique pericardial sinus

31
Q

What is the innervation of the pericardium?

A

Phrenic nerve

Intercostal nerve

32
Q

Between what arteries and veins is the transverse pericardial sinus?

A

Superior vena cava

Ascending aorta

Pulmonary trunk

(This space is used in cardiac surgery and to stop bleeding)

33
Q

How can you tell if the heart is enlarged?

A

Cardiothoracic ratio

-how much space it is taking up horizontally

34
Q

What is “shaggy” pericardium?

A

When there is a clear delineation of the heart within the pericardial sac

35
Q

Patients who come in with shock and penetrating chest injury have what until proven otherwise?

A

Cardiac involvement

36
Q

What is Beck’s Triad?

A

Cardiac tamponade presents with a triad of Hypotension, jugular distensión and muffled heart sounds

37
Q

Where is pericardiocentesis done?

A

Infrasternal angle: needle is passed supero-posteriorly, aiming t the left shoulder

  • stay left and medial
  • stay low (infrasternal)
  • angle up
38
Q

Where would drainage for pericardioentesis occur if going into the bare area?

A

Left 5th or 6th ICS near the sternum, in the area of the cardiac notch of the left lung