misc Flashcards

1
Q

where does atrial myxoma occur

A

left atrium - attcahed to fossa ovalis

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2
Q

who is myxoma most common in

A

females

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3
Q

presentation myxoma

A

systemic unwell // clubbing // a fib // mid diastiluc murmur

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4
Q

invx myxoma

A

echo

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5
Q

inheritence of brugada syndrome

A

autosomal dominant

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6
Q

who is brugada syndrome most common in

A

asians

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7
Q

ECG for brugada syndrome

A

ST elevation > 2mm in V1-3 followed by negative T wave // RBBB

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8
Q

what drug can be given to exaggerate ECG findings for brugada syndrome for diagnosis

A

flecainide or ajmaline

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9
Q

mx brugada syndrome

A

implantable defib

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10
Q

what is tamponade

A

accumulation of pericardial fluid under pressure

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11
Q

triad of tamponade

A

becks: hypotension + raised JVP + muffled heart sounds

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12
Q

other features tamponade

A

dyspnoea + tachy // pulsus parodox // absent Y JVP

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13
Q

what is seen on ECG of tamponade

A

electrical alternans (alternating aplitude of Q wave)

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14
Q

TAMponade = TAMpaX

A

tamponade = X JVP (only)

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15
Q

mx tamponade

A

urgent pericardiocentesis

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16
Q

what does pulmonary artery occlusion pressure (POAP) monitering indirectly measure

A

LA pressure so filling pressure of heart

17
Q

what is normal POAP

18
Q

what would high POAP indicate

19
Q

what would low PAOP indicate

A

hypovolaemia or ARDS

20
Q

how long after CABG before you can drive

21
Q

how long after acute coronary syndrome before driving

22
Q

what size of aortic anuersym disallows driving

23
Q

what does the hypothalmus release in response to cold

A

TSH + ACTH (+ shivering)

24
Q

temp of mild hypothermia

25
temp severe hypothermia
<32C
26
RF hypothermia
GA // substance // hypothyroid // homeless // old or young // impaired mental status
27
physiological signs mild hypothermia
fast RR, fast HR, raised BP
28
physiological signs severe hypothermia
low RR, low HR, resp depression
29
ECG hypothermia
when patient warms up: ST elevation + J waves