Cardiovascular Flashcards
DCM
mc; idiopathic or Enterovirus
LV dil, pulm. edema
salt/fluid restrict
implant. defib. if EF < 35%
HCM
sudden death in young adults after exert; dyspnea
murmur: incr = stand, decr = squat
asymm. wall thick
BB
RCM
amyloidosis
Kussmaul's sign
marked dil. (Echo) low volt (EKG)
L-side HF (lungs)
R-side HF (road)
mc/c: CAD & HTN
mc/c: L-side HF
DX: ele. BNP
TX: ACEi, fluid/Na restrict & Lasix
AV
where heart block originates
90% supply RCA
PR interval: reflects conduct. through AV node --> 3-5 sm. sq.
Sick sinus syndrome
elderly --> sinus pause < 3 sec
AFib
irreg. irreg. w/o discrete P waves; 400-600 bpm
elderly, excess. EtOH use --> leading cause of thrombosis
Metoprolol or Diltiazem
< 48 hrs --> DCCV
> 48 hrs --> anticoag --> cardioversion
AFlutter
sawtooth pattern
COPD --> cardioversion
new LBBB
MI equivalant
WPW
Bundle of Kent; delta wave
TdP
Polymorphic VTach
IV Mag sulfate
VFib
emerg --> CPR & defib.
ASD
ostium secundum; L --> R shunt; wide split S2
4-5 yo for surg.
VSD
wait until SX to close