myocarditis/pericarditis/tamponade Flashcards

1
Q

Causes of myocarditis

A

infection
toxins/drugs
autoimmune disorder
chronic myocarditis

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2
Q

myocarditis on echo

A

dilated/hypertrophied ventricles
dysfunction
WMA

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3
Q

myocarditis symptoms

A

chest pain
exercise intolerance
SOB
fever

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4
Q

causes of pericarditis

A

injury
infarct
cancer
surgery
hiv
infection

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5
Q

acute onset of pericarditis symptoms

A

PERICARDIAL FRICTION RUB
ST ELEVATION
SHARP STABBING CHEST PAIN

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6
Q

chronic onset of percarditis

A

less common to have friction rub or ekg changes
pericardial effusion

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7
Q

constrictive pericarditis effects what chambers

A

all 4 chambers

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8
Q

constrictive pericarditis etiology what happens to the pericardium

A

parietal and visceral pericardium thicken and scar and calcify

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9
Q

constrictive pericarditis on echo

A

ventricular size and systolic function usually normal
bi atrial enlargement due to impaired diastolic filling
ivs septal bounce
pericardial effusion

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10
Q

constrictive pericarditis m mode

A

LAE
bright and thick pericardium
paradoxical septal motion
PV premature opening

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11
Q

large pericardial effusion is > than

A

20 mm

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12
Q

small percardial effusion is < than

A

10 mm

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13
Q

pericardial effusion symptoms

A

hoarseness
difficulty swallowing
compression
pain
syncope,nausea,SOB

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14
Q

how to differentiate a pericardial effusion to a pleural effusion

A

a pericardial effusion is anterior to the descending aorta

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15
Q

best echo view to visualize effusion

A

PLAX

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16
Q

becks triad for tamponade

A

1.hypotension weak low pulse due to decreased cardiac output
2. muffled heart sounds
3. distended neck veins JVD

17
Q

pulsus paradoxus

A

exaggerated decrease in systolic BP with inspiration

18
Q

tamponade on echo

A
  1. RA late diastolic collapse
  2. RV diastolic collapse
  3. paradoxical septal motion
  4. dilated hepatic veins
19
Q

LV respiratory diastolic dimension with inspiration during tamponade

A

decreases
30% is diagnostic

20
Q

during tamponade the doppler of mitral valve inflow increases or decreases with inspiration

A

decreases

21
Q

during tamponade the doppler of the tricuspid valve inflow increases or decreases with inspiration

A

increases