Quiz 10

Question 1

causes of Regular WCT (3)

Answer 1

VT*
SVT w/ BBB
SVT w/ WPW

Question 2

assume ? until proven otherwise

Answer 2

VT

Question 3

VT is the most common cause of ? in adults

Answer 3

WCT

Question 4

VT is the most serious cause of ?

Answer 4

WCT

Question 5

1st priority for any tachycardia- is the patient?

if not ?

Answer 5

hemodynamically stable

cardiovert

Question 6

hemodynamically stable:

if CASH then VOMIT

Answer 6

C hest pain
A ltered mental status
S OB
H ypotension

V S (glucose)
O xygen
M onitor (EKG)
I V- IO access
T x (procainamide, sotalol, amiodarone)

Question 7

2 step process for WCT

1. is WCT clearly ?
2. if not, ?

Answer 7

STach w/ aberrancy

its VTach!

Question 8

Josephson’s sign
Brugada’s sign
Fusion Beat
Capture Beat

Answer 8

Signs of VT

Question 9

90% VT (3)

Answer 9

extreme axis deviation
lead 6 all negative (if R < 3 mm)
ugly QRS

Question 10

if unstable whether SVT or VT.. you need to ?

Answer 10

cardiovert

Question 11

QRS truly narrow in all 12 leads is ? 90-95%

Answer 11

SVT

Question 12

SVT (3)

Answer 12

sinus tach
aflutter
psvt

Question 13

fixable reversible causes? 6H, 5T

Answer 13

hypothermia
hydrogen ion
hypovolemia
hypoxia
hypoglycemia
hypokalemia/hyperkalemia

toxin
tension pneumothorax
tamponade
thrombosis (pulmonary)
thrombosis (cardiac)

Question 14

vagal maneuvers/CSM:
ST:
PSVT:
A-fib/A-flutter:
VT:

Answer 14

ST- gradual slowing, SVT resumes on release
PSVT- abrupt conversion to SR or no effect
Afib/flutter- slow vent rate to Dx rhythm
no response

Question 15

3 common causes of QT prolongation >450

Answer 15

drugs
lytes
CNS

Question 16

QT prolongation- drugs (4)

Answer 16

1A (quinidine, procainamide, disopyramide)
III (sotalol, dofetilide, amiodarone)
TCA (amitriptyline, amoxapine, doxepin, imipramine)
phenothiazines (chlorpromazine)

Question 17

lytes (3)

Answer 17

hypoK, hypoMg, hypoCa

tiny tim, severe AGE

Question 18

CNS catastrophes (3)

Answer 18

stroke
seizure
coma
increased ICP: TWI; LQT; cushing’s triad

Question 19

cushings triad?

Answer 19

increased PP
bradycardia
dyspnea

Question 20

other causes of QT prolongation- pathologies (3)

Answer 20

BBB
MI
Ischemia

Question 21

common causes of ST segment depression (6)

Answer 21

ischemia
"strain"
digitalis effect
hypoK/hypoMg
rate-related changes
any combo of the above

Question 22

Std (T wave abnormalities) (6)

Answer 22

hyperventilation
medical illness
psychological stress
strong emotions
temperature extremes
lytes (hypo-K/Mg)

Question 23

anterior STd w/ acute IWMI (3)

Answer 23

reciprocal changes
anterior ischemia
posterior infarction (PMI)

Question 24

Tall R in V1

Answer 24

WPW
RBBB
RVH
PWMI
HCM
Normal Variant