When the heart feeds itself
When is diastole?
Normal shunt
What is 2-5%?
Define ectopic
What is originating from anywhere other than the sinus?
Define toothbrush tachycardia
What is an artifact on the monitor that looks like tachycardia but is caused by an external source (ie. brushing your teeth) rather than the heart itself?
Epi pharmacodynamics
What is increased HR and contractility? It's a vasoconstrictor.
Veins that make up our normal shunt
What is Thebesian and bronchial vein?
Normal SV
What is 60-130 ml/beat?
Irregular rhythm. Think...
What is a-fib?
ECG calibration height
What is 10mm?
Dosage for atropine
What is .5mg up to 3 mg?
The great vessels of the body
What is SVC, IVC, PA, PV, and Aorta.
Normal anion gap
What is 8-16 mEq/L?
Define accelerated junctional rhythm
What is a rhythm that is faster than the inherent rate?
Tx. bigeminy
What is oxygen, lidocaine, and amiodarone?
Dosage for lidocaine
What is 1-1.5 mg/kg IV/IO?
The valves that close making the S1 sounds
What is AV valves?
Voltage for cardoversion
What is 50-100J?
Ventricular arrhythmias are considered an ______ unless its tachycardia, then it's considered a __________.
What is escape and usurpation?
Only two shockable rhythms
What is V-Fib and PULSELESS V-tach?
Digitalis/Digoxin toxicity effect
What is junctional bradycardia?
4 phases of systole
What is isovolumetric contraction, ventricular ejection, protodiastole, and isovolumetric relaxation.
Interatrial and internodal pathway inherent rate
What is 60-80 BPM?
The PRI action in Mobitz Type 1
What is gradually get longer until the QRS is dropped?
Extra bundle of fibers
What is Bundle of Kent?
Quinidine drug type
What is a sodium channel blocker?