Trigger - Dysrhythmias 3

Question 1

Caused by:
- electrolyte imbalance
- digoxin toxicity
- myocarditis
- ischemia

Answer 1

junctional arrhythmias

Question 2

present as retrograde P wave before, during or after QRS with HR of 70-120

Answer 2

junctional arrhythmias

Question 3

treated by fixing underlying cause

Answer 3

junctional arrhythmias

Question 4

Regular rhythm, wide complex with rate of 60-120.

Answer 4

idioventricular rhythm

Question 5

can be caused by reperfusion injuries after angioplasty

Answer 5

idioventricular rhythms.

also by digoxin toxicity or acute MI

Question 6

sustained 3+ PVCs with rate of 160-240

Answer 6

V tach

Question 7

caused by catecholaminergic polymorphic VT, cardiomyopathy or a bunch of other things

Answer 7

V tach

Acute MI or CAD
Cardiomyopathy, valvular disease, myocarditis
Catecholaminergic polymorphic VT (No structural abnormalities)
Long QT syndrome, brugada (No structural abnormalities)
TdP due to severe hypokalemia or hypomagnesemia or QT prolongation drugs

Question 8

QT inervals of .5-.7 seconds

Answer 8

Long QT syndrome or brugada syndrome

Question 9

recurrent syncope or sudden death

Answer 9

prolonged QT syndrome or brugada syndrome

Question 10

assocaited with deafness via jervell-lange-nielsen syndrome or romano ward syndrome

Answer 10

long QT syndrome

Question 11

assocaited with defect in potassium channels

Answer 11

LQT syndrome type 1

Question 12

associated with defect in Na channels

Answer 12

LQT syndrome T2

Question 13

sudden death occuring during sleep or high emotional distress

Answer 13

LQTS type 3

Question 14

assocaited with RBBB and STE in anterior precordial leads

Answer 14

brugada syndrome

Question 15

assocaited with SCN5a gene and young asian men

Answer 15

Brugada syndrome

Question 16

treat with amiodarone, if that does not work give lidocaine, then Mg replacement

Answer 16

acute, sustained, hemodynamically stable VT

Question 17

1st line is BB
2nd line is amiodarone or sotalol

Answer 17

long term tx of VT

can also do ICD or catheter ablation

Question 18

treat with BB only IF SYMPTOMATIC

Answer 18

nonsustained VT with NO HD

Question 19

LAD is related to what defect

Answer 19

LBBB

Question 20

when this is seen on EKG it is assumed to be an MI until proven otherwise

Answer 20

LBBB

Question 21

assocaited with septal branches of LAD

Answer 21

RBBB

Question 22

processes that increase RV pressure such as COPD, HTN, PE, pulmonary HTN can lead to what defect

Answer 22

RBBB