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Cardiology > Pericarditis/Myocarditis/Endocarditis > Flashcards

Pericarditis/Myocarditis/Endocarditis Flashcards

1
Q

What surrounds, protects and holds the heart in place?

A

Pericardium

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2
Q

what part of the pericardium is the Tough, inelastic and outer connective tissue

A

Fibrous pericardium

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3
Q

What is the Thinner, delicate and forms double layer around the heart? What are the layers?

A

Serous pericardium
-Parietal layer
-Visceral layer (on the heart itself touching the epicardium of the heart).

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4
Q

Pericardium functions to protect the heart by:

A

(a) Anchoring the heart in place
(b) Prevents it from over stretching
(c) Has lubricating fluid (pericardial fluid) – prevents friction between membranes.

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5
Q

Pericarditis means

A

inflammation of the pericardium

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6
Q

Pericarditis is mostly caused by what and what demographic?

A

viral infections
males < 50 years old

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7
Q

What are the most common organisms related to pericarditis?

A

Coxsackieviruses and Echovirus

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8
Q

Pericarditis Bacterial etiologies:

A

Small pox vaccine, Neisseria gonorrhea,
Chlamydia, Mycoplasma, and Lyme

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9
Q

Differential Diagnosis’s for acute pericarditis

A

(1) AMI
(2) PE
(3) Pericardial effusion
(4) Myocarditis
(5) Aortic dissection
(6) Pleurisy (with pleural friction rub)
(7) Pneumonia

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10
Q

What are S/S for Pericarditis?

A

-Substernal chest pain which is usually pleuritic (sharp), possible radiation to neck, shoulder, or arm.
-Pain is worse when supine and relieved by sitting up and leaning
-Fever

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11
Q

How would acute pericarditis present in your PE

A

Pericardial friction rub is most common sign (sounds like Velcro/crunching snow).

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12
Q

What labs/rads/testing would you do for acute pericarditis?

A

-CBC may have elevated WBC due to infection and inflammation
-Cardiac enzymes will be elevated if due to myocarditis
-CXR to evaluate for pneumonia or widened mediastinum.
-EKG: diffuse ST-segment elevation

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13
Q

Viral pericarditis Meds

A

(a) Aspirin 325-650 mg every 6 hours
(b) NSAIDS (Indomethacin, Motrin or Naproxen) for up to 3 weeks.

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14
Q

Can you keep pericarditis a patient on ship?

A

If stable can stay on ship
if they do not show signs of improvement or s/s worsen EVAC

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15
Q

What are some complications for pericarditis?

A

(1) Pericardial effusion
(2) Pericardial Tamponade

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16
Q

What are the Three layers of the heart wall?

A

Epicardium
Myocardium
Endocardium

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17
Q

What is defined as inflammation of the myocardium?

A

Myocarditis

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18
Q

Myocarditis is caused by what Viral agents?

A

Influenza, Epstein Barr, Hepatitis B, HIV.

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19
Q

Myocarditis is caused by what bacterial agents.

A

Beta-Hemolytic strep (cause of Rheumatic fever), Lyme, Neisseria meningitides

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20
Q

What are some non-infectious causes for myocarditis?

A

(a) Alcohol
(b) Cocaine
(c) Medications: PCN, cephalosporin, sulfonamides, diuretics.
(d) Insect bites
(e) Snake bites
(f) Inflammatory bowel disease
(g) Celiac disease
(h) Sarcoidosis

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21
Q

True/false
Myocarditis is never accompanied by pericarditis

A

False
it can be frequently accompanied by pericarditis due to the large amount of inflammation spreading out to the pericardium

22
Q

Symptoms and Physical Findings for what?
(1) Fever
(2) SINUS TACHYCARDIA out of proportion to TEMPATURE
(3) Retrosternal chest pain
(4) Excessive fatigue or exercise intolerance.
(5) S3, S4
(6) Pericardial friction rub if pericarditis is also present.
(7) Clinical illness may overshadow clinical signs of myocardial dysfunction.

A

Myocarditis

23
Q

Differential Diagnosis for Myocarditis

A

(1) AMI
(2) Unstable angina
(3) PE
(4) Aortic dissection
(5) Esophageal rupture
(6) Pericarditis
(7) Pericardial effusion
(8) Pneumonia

24
Q

What labs/Studies/EKG would you order for suspected myocarditis

A

-CARDIAC ENZYMES (troponin, CK-MB) will be positive .
-CBC: Will have an elevated WBC because of infection and inflammation.
-ESR or Sedimentation rate (marker of inflammation) will be elevated.
-C-reactive protein (marker of inflammation) will be elevated.
-EKG: May show signs of pericarditis with diffuse ST-segment elevation.
-Echocardiogram is performed in all patients to look at heart function
-Cardio MRI
-endomyocardial biopsy for DX

25
Q

What labs will distinguish between Myocarditis and Pericarditis?

A

CARDIAC ENZYMES
(troponin, CK-MB) will be positive

26
Q

In severe cases of (pericarditis/myocarditis) signs of progressive congestive heart failure may be seen.

A

Myocarditis

27
Q

Endocarditis/Pericarditis/Myocarditis
SINUS TACHYCARDIA out of proportion to TEMPATURE

A

Myocarditis

28
Q

Myocarditis or pericarditis S/S
Fever

A

both

29
Q

Myocarditis or pericarditis S/S
Pericardial friction rub

A

Mainly pericarditis….
bothish…..
can be in myocarditis if pericarditis is also present

30
Q

Myocarditis or pericarditis
Give Nsaids

A

Pericarditis

31
Q

True/False
Nsaids are an effective treatment for myocarditis

A

FALSE!!!!!!!!!!!!! =[
AVOID NSAIDS
is not effective and can worsen heart failure
symptoms if they have them

32
Q

Endocarditis/Pericarditis/Myocarditis
-Stabilize and transfer to higher level of care
-Initiate Morphine therapy for pain.
-Restrict activity if cannot get them to a higher level of care right away

A

Myocarditis

33
Q

Treatment for idiopathic and viral myocarditis

A

supportive and symptom directed
(Rest, fluids, pain control with morphine).

34
Q

True/false
Meningococcemia or Rheumatic fever give antibiotics

A

true

35
Q

Endocarditis/Pericarditis/Myocarditis
Substernal chest pain is worse when supine and relieved by sitting up and leaning

A

pericarditis

36
Q

Endocarditis/Pericarditis/Myocarditis
EKG: diffuse ST-segment elevation

A

pericarditis

37
Q

what is a bacterial or fungal infection of the valvular or endocardial surface of the heart?

A

Endocarditis

38
Q

Native valve endocarditis is usually caused by what

A

Staph Aureus
Streptococci.

39
Q

In IV Drug users ______ infection accounts for 60% of cases.

A

Staph Aureus

40
Q

IV drug users typically present with (Right or Left) sided endocarditis vs other causes usually affect (Right or left) sided valves.

A
  1. Right
  2. Left
41
Q

True/ false
Endocarditis takes Days to weeks to get symptoms

A

True

42
Q

Symptoms/Physical Findings of what?
-Fever
-Non-specific symptoms (cough, dyspnea, arthralgias, abdominal, back, or flank pain).
-Characteristic peripheral lesions caused by emboli
-New onset heart murmur

A

Endocarditis

43
Q

True/false
ANY new heart murmur with a fever is Endocarditis until proven otherwise

A

True

44
Q

Endocarditis/Pericarditis/Myocarditis
Strokes and major systemic events in 25% of patients, occurring before or within the first week of antibiotic therapy.

A

Endocarditis

45
Q

endocarditis
what are the Characteristic peripheral lesions caused by emboli:

A

-Petechia on palate, conjunctiva, or beneath finger nails.
-Splinter hemorrhages: Red, linear streaks under nail plate and within nail bed.
-Janeway lesions: Painless (micro-abscesses), erythematous lesions on palms and soles.
-Osler’s nodes: Painful (immune-complex depositions).
-Roth spots: Exudative lesions in the retina; occurs in 25% of patients

46
Q

what are some Differential Diagnosis for endocarditis

A

(1) Skin and soft tissue infection
(2) Osteomyelitis
(3) Meningitis
(4) Pneumonia
(5) Sepsis
(6) Myocarditis
(7) Pericarditis
(8) Cardiomyopathy

47
Q

what Labs/Studies/EKG would you order for suspected endocarditis

A

(1) Blood cultures
(2) CBC with differential
(3) Chemistry to evaluate of kidney damage.
(4) EKG: Non-diagnostic, new conduction abnormalities suggest myocardial abscess formation.
(5) Echocardiogram: Gold standard to evaluate for valvular vegetations.

48
Q

Endocarditis
True/ false
Since blood cultures are positive in 90% of patients it is not acceptable to await blood culture results before initiating antibiotics.

A

False
it is acceptable to
await blood culture results before initiating antibiotics.

49
Q

Endocarditis Empiric therapy if patient is septic would be

A

Ertapenem 1 gram IV q24 hours
or
Vancomycin 1 gram IV q12 hours
plus Ceftriaxone 2 grams IV daily.

50
Q

Initial Care for endocarditis

A

(1) IV, O2 if saturation < 94%, Monitor.
(2) 3 sets of blood cultures.
(3) Transfer to higher level of care.

51
Q

What is the Thinner, delicate and forms double layer around the heart? What are the layers?

A

Serous pericardium
-Parietal layer
-Visceral layer (on the heart itself touching the epicardium of the heart).

Cardiology (21 decks)

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