echelon class
junctional tachycardia - ✔️✔️-Rate: 100 to 180bpm
Regularity: regular
P-wave: inverted, absent, or occur after the QRS-complex
PR-interval: short or absent
-control rate if symptomatic--beta blockers, CCB, amiodarone
-if rate >150--vagal stimulation, adenosine, beta blockers, CCB, amiodarone, check dig
level
-no cardioversion
atrial flutter - ✔️✔️-Sawtooth pattern
-250 to 350 beats
-PRI cant determine**
-QRS less than .12
-need to control ventricular rate and convert the rhythm/anticoagulate
sinus tachycardia - ✔️✔️-treat underlying cause (fever, pain, etc.)
Sinus Arrhythmia - ✔️✔️irregular with breathing--HR increases with inspiration and
decreases with expiration
-only treat if hemodynamically compromised--atropine
SA block - ✔️✔️-dropped interval/pause
-if hemodynamically compromised--atropine, permanent pacemaker
sinus arrest - ✔️✔️- SA node doesn't fire
- notice absence of P-wave for a complete cycle (a missed cycle)
-no treatment if episodes are transient otherwise temporary pacing or atropine
a fib - ✔️✔️-no p wave
-PRI cant measure**
-QRS les than 0.12
-rate control and anti coag
SVT - ✔️✔️-regular rate and rhythm
-P wave not visible**
-PRI 0.12-0.20**
-QRS less than 0.12
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