Rhythms And TX Flashcards
Unstable V-tach
CAB check pulse always.
CPR, Defibrillate, Epi. Amiodorone
A-flutter
BB, CCB, SC, amiodorone
*single ectopic beat.
Saw tooth
A-Fib
BB, CCB, Dig!, SC, coags.
*multiple ectopic beats
V-Fib
CPR, defibrillate,epi
Stable V-tach
CAB, VS, Amiodorone, procaindamide,
Asystole
CPR, ACLS, epi, atropine, intubate.
NO Defibrillate!
PEA
Fix underlying problem.
CPR, epi
PVC’s
Treat cause- O2, lytes?
BB, amiodarone, lidocaine, procainamide.
2 PVC’s in a row =
Couplet
Ventricular bigeminy=
Every other beat is a PVC
Ventricular trigeminy=
Every 3rd beat is a PVC
What is the TX for a third degree heart block?
Pacemaker,
Epi
Dopamine
Atropine
Complete heart block, no conduction from A to V
R - T phenomenon may lead to what?
V-fib
What is conduction for SA - AV node showing?
Atrial depolarization or contraction.
PR interval
What does the AV - BOH - purkinje fibers showing?
Ventricular depolarization.
QRS
How many seconds is a small box?
0.04
1mm
How many seconds is a big box?
0.2
5mm
How many seconds in the PR?
0.12- 0.2
How many seconds for the QRS?
< 0.12
How many seconds for the QT?
0.34 - 0.43
What does the ST segment represent?
Time between ventricular depolarization and repolarization
What does an elevated or depressed ST represent?
Ischemia, infarct, injury
S/S of sinus brady?
Pale/cool skin,
SOB, fatigue
Dizzy, syncope, decreased LOC
Angina
TX for sinus tach?
BB, CCB, vagal maneuvers