QUESTIONS AND ANSWERS VERIFIED AND
SUMMARIZED.
Orthodromic Tachycardia blocks in the (blank) making the last impulse a
(blank) wave
✔✔AV node, A
what is the most common form of idiopathic VT?
✔✔verapamil sensitive fascicular VT
what is the most common form of verapamil-sensitive ventricular
tachycardia?
✔✔Left posterior Fascicular VT
What kind of VT has His potentials, VA dissociation, and usually a LBBB
pattern
✔✔bundle branch reentry
What is the most common type of VT in patients with structural heart
disease?
✔✔LV reentry
When is entrainment mapping most useful for finding the area of interest
(isthmus) in a tachycardia circuit?
✔✔Ischemic VT
,when is pace mapping most useful?
✔✔focal vt or at
known as capture hysteresis, what is the phenomenon that describes
threshold testing as progressing from high to low rather than low to high
due to hyperpolarization of the myocardial cell membranes
✔✔The Wenden sky effect
LQTS associated with deafness
✔✔Jerrell-Lange- Nielsen syndrome
How can hypocalcemia be identified on a surface EKG?
✔✔QT prolongation (ST segment modification)
Patient presenting with ST elevation in V1-V3 should be screened for
what congenital disease?
✔✔Bragada syndrome
intranodal block indicates disease of which part of the conduction
system? (Wenckebach Mobitz II)
✔✔his-Purkinje system
What is the name of an AP connecting the AV node to a fascicular
branch?
✔✔Mahaim fibers
, which coronary artery supplies blood to the SA and the AV nodes?
✔✔Right Coronary artery
Refers to contractile strength
✔✔inotropy
refers to rate of contraction
✔✔chronotropy
Relating to or influencing the conductivity of nerve fibers or cardiac
muscle fibers
✔✔Dromotropic
mixing of tissue types in a certain area of the heart, may lead to
arrhythmogenicity
✔✔Anisotropy
Sclero-degenerative process in cardiac conduction system, can progress
to complete heart block
✔✔Lenegre's Disease
downward displacement of the tricuspid valve with a small right ventricle
and a large right atrium
✔✔Ebstein's anomaly
which antiarrhythmic has the side affects of nausea, vomiting, diarrhea
✔✔digoxin