misc Flashcards
typical rate in flutter?
300bpm
what produces saw tooth baseline?
continual atrial depolarization
long term treatment of atrial flutter?
rate control with beta blocker
what would ventricular tachycardia look like on ECG?
broad complex regular QRS
what is cardiac arrest ?
pulseless VT
when are ventricular ectopics most common?
post MI
how does ventricular fibrillation present?
LOC
absent pulse
cardiac arrest
what would ECG look like in ventricular fibrillation
irregular random baseline
no clear discernible waveforms
what is torsades de points
ventricular tachycardia with constantly varying axis
what does TDP look like
looks like VF but has a varying axis
bradyarrythmia treatment
IV atropine 500mcg IV
if no response seen after atropine -
get senior help, consider using isoprenaline, adrenaline or transcutaneous pacing
cushings reflex - what does this do to heart rate?
bradycardia
thyroid cause of bradycardia ?
hypothyroid
which drugs can cause bradycardia?
BB. CCB, digoxin, amiodarone
bradycardia rate less than ?
60
drugs that can cause heart blovk
b blockers, digoxin, amiodarone
in first degree heart block, PR interval is over?
0.2 secs
When there is progressive lengthening of the PR interval, which will result in a dropped beat
mobitz 1
management of type 2
ventricular pacemaker
management of type 3 heart block?
ventricular pacing
potentially life threatening complication of QT?
torsades de pointes
