Q6 GNMD - Wk 2

Which is NOT true regarding Tetrology of Fallot?

• cyanosis improves with squatting

• the heart appears boot shaped on chest x-ray due to R ventricular hypertrophy

• surgical correction is required

• ventricular septal defect and aortic stenosis are present

All of the following are circulatory changes that occur at birth EXCEPT...

• pressure in the R side of the heart increases

• pulmonary resistance decreases

• O2 saturation increases

• closure of ductus arteriosus and foramen ovale

A 65-year-old Caucasian man has a 10-year history of angina, which has up until now been treated effectively with nitroglycerine. Lately, he has been noticing he is having chest pains more frequently that are becoming more severe and lasting longer. He is no longer able to complete his morning walk without the development of chest pain, whereas he had previously been able to complete the walk without a problem. He also notices that light work, like gardening, is starting to produce chest pain. As a consequence of these changes, he has to take increasing amounts of nitroglycerine to control the pain. Which is he experiencing?

• stable angina

• unstable angina

• Printzmetal angina

• congestive heart failure

Coarctation of aorta occurs ___________ to L subclavian artery.

Which cardiac enzyme peaks first?

• CK-MB

• troponin

• LDH

• aldolase

Answer explanation

troponin: onset 3-6hrs, peaks 24-48hrs, lasts 10 days

CK-MB: onset 6-10hrs, peaks 24hrs, lasts 48-72hrs

3 signs of R sided heart failure.

Answer explanation

peripheral edema, JVD, hepatomegaly, ascites, tachypnea, cyanosis

Which leads will show a septal MI? (select all that apply)

• II

• aVR

• V1

• aVF

• V4

Answer explanation

Inferior heart: II, III, aVF

anterior L ventricle: V3, V4

lateral L ventricle: I, V5, V6, aVL

septum: V1, V2, aVR