Other cardiac pathologies

Question 1

Myocarditis =

Answer 1

inflammation of cardiac muscle

Question 2

Myocarditis is commoner in ___

Answer 2

youths

Question 3

Symptoms of myocarditis:

Answer 3

fever, chest pain, palpitations (causes arrhythmia), SOB (causes HF)

Question 4

Causes of myocarditis:

Answer 4

coxsackie A+B viruses
echovirus
other viruses eg. influenza

Question 5

Diagnosis of myocarditis is confirmed by ____

Answer 5

throat swab and stool = enteroviruses
throat swab = influenza
BOTH => viral PCR

Question 6

Main cause of pericarditis is bacterial/viral

can be caused by either

Answer 6

viral

Question 7

3 main types of inherited cardiomyopathies

Answer 7

Hypertrophic
Arrhythmogenic RV
Dilated

Question 8

Hypertrophic CM in 60% is due to ___ gene mutation

1st + 2nd commonest =

Answer 8

sacromeric

MYBPC3 -> MYH7

Question 9

Major cause of sudden cardiac death in young athletes =

Answer 9

HOCM

Question 10

Dilated cardiomyopathy is more common in ___(sex)

__+___/___ genes may be affected

Answer 10

males
sacromere + desmosomal
OR dystrophin if X-linked

Question 11

ARVC (arrhythmogenic RV cardiomyopathy is due to ____
autodom in __ genes
autorecessive in ___ genes

Answer 11

fibro-fatty replacement of cardiomyocytes
autodom in desmosomal
autorecessive in nondesmosomal

Question 12

____ screening is used for inherited cardiac conditions as is more effective than population screening

Answer 12

Cascade

if +ve case then screen 1st and 2nd degree relatives

Question 13

Reverse tick (ST depression and inverted T waves in V5-6) caused by

Answer 13

digoxin toxicity

Question 14

Small T waves and prominent u waves on ECG seen in

Answer 14

hypokalaemia

Question 15

tall tented t waves and widened QRS, absent p waves seen in

Answer 15

hyperkalaemia ECG