normal characteristics 12 lead ecg - correct answer -AVR & V1 leads show predominantly negative
QRS complex
-T-wave upright in leads I & II
-R-wave V1 will be small and increase in each chest lead as you approach V5.
ischemia - correct answer reduced blood flow - inverted T wave
injury - correct answer acute tissue damage - change in ST segment
infarction - correct answer necrosis/tissue death - significant Q waves
sinus arrythmia treatment - correct answer treat other symptoms
sinus tachycardia - correct answer oxygen
sinus bradycardia - correct answer oxygen, atropine
atrial flutter - correct answer digoxin, beta blockers, calcium channel blockers
atrial fibrilation - correct answer digoxin, beta blockers, calcium channel blockers, anticoagulants,
antithrombolitics
PVC - correct answer oxygen, lidocaine, treat other causes
pulseless ventricular tachycardia - correct answer CPR, defibrillation, epinephrine, amiodarone