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Cardiovasc 5 Arrhyth

Arrhythmias

QuestionAnswer
Name the antidote!: salicylates charcoal, sodium bicarb, dialysis
Name the antidote!: beta blockers atropine, glucagon, calcium, insulin + glucose
Name the antidote!: digoxin Dig Ab fragments, charcoal
Name the antidote!: iron desFEroxamine
Name the antidote!: copper PENIcillamine
Name the antidote!: t-PA, streptokinase aminocaproic acid
A pt is found to have HTN, mild hypernatremia, hypokalemia, and metaolic alkalosis. What is the dx? Primary hyperaldosteronism (Conn's)
What is the tx for an MI due to cocaine OD? Benzos and CCB. Do NOT use beta blockers!
What type of heart block is described by the following statements?: PR interval prolonged more than 0.2s (5 sm boxes or 1 big box) 1st degree block
What type of heart block is described by the following statements?: no relationship btwn P waves and QRS 3rd degree block
What type of heart block is described by the following statements?: PR interval becomes progressively longer until a beat blocks (dropped QRS) 2nd degree (Mobitz) type 1: Wenkebach gives a Warning
What type of heart block is described by the following statements?: PR interval fixed, but with occasional blocked beats (dropped QRS) 2nd degree (Mobitz) type 2
Which heart block needs a pacemaker? 3rd degree
What is the drug of choice in paroxysmal supraventricular tachycardia? IV adenosine
What basic EKG rhythm matches the following?: narrow QRS not a/w P waves, rate 60 3rd degree heart block, junctional rhythm
What basic EKG rhythm matches the following?: chaotic, erratic, wide QRS Ventricular fibrillation
What basic EKG rhythm matches the following?: wide QRS not a/w P waves, rate 40-100 Accelerated ventric rhythm
What basic EKG rhythm matches the following?: narrow QRS not a/w P waves, rate >100 Junctional tachycardia (QRS narrow b/c coming from above/junction)
What basic EKG rhythm matches the following?: wide QRS not a/w p waves, rate 20-40 Ventricular escape rhythm
What basic EKG rhythm matches the following?: wide QRS, not a/w P waves, rate >100 V tach
What basic EKG rhythm matches the following?: narrow QRS not a/w P waves, rate 60-100 Accel j'nl rhythm (QRS narrow b/c coming from above/j'n)
What basic EKG rhythm matches the following?: erratic QRS that varies in amplitude in repeating pattern Torsades
Which endocrine d/o can cause a fib? Hyperthyroidism
A pt is in the hospital and begins to have a fib with RV. This pt has had chronic a fib previously. What study is need b/f cardioconversion? TEE
What is the tx for premature atrial contractions? Nada. Observation only.
Which antiarrhythmic should be avoided in pts with pre-existing lung disease? Amiodarone (causes pulmonary fibrosis, along with thyroid and liver probs)
What is the durg of choice for acute-onset a fib with RVR in a pt with WPW? Electrical cardioversion or procainamide
An EKG shows complete independence of P waves and QRS complexes. What is the next step in mgmt? Pace maker.
Where is the conduction defect in a second degree Mobitz I (Wenckebach) block? Intranodal (or His bundle)
Where is the conduction problem in Second degree Mobitz II block? Infranodal (His, Purkinje)
What drugs can cause a Mobitz I? beta blockers, CCB, or digoxin. Tx is dose adjustment.
What drug should NOT be used to treat paroxysmal supraventricular tach in WPW? Adenosine (instead use amiodarone or procainamide)
Long-term mgmt of paroxysmal supraventricular tach? Catheter ablation of accessory conduction pathway
Irregularly irregular pulse is characteristic of which arrhythmia? A fib
Name 3 drug classes used for rate control in a fib. beta blockers, CCB, digoxin
How long should you anticoagulate a pt with a fib b/f cardioconverting them 3-4 weeks
What drugs should be used for anticoag in a fib pts? Heparin + warfarin. Contin heparin until warfarin is in therapeutic range
What is the cutoff for cardioversion without prior anticoag in a fib? Why is this time significant? <48h. Not enough time to form a mural thrombus which could get dislodged during cardioversion.
What drugs can be used for chemical cardioversion? Sotolol and amiodarone
Sawtooth pattern of P waves on EKG is characteristic of which arrhythmia? A flutter
Tx for PVCs? None if pt is healthy. Beta blockers in pts with CAD or symptoms.
At what point do PVCs become concerning for V tach? >3 per min. V tach= 3+ PVCs with HR 160-240bpm
Tx for torsade? IV mag
What about v fib is so flippin dangerous? No cardiac output! Uh-oh!
What are the 4 classes of antiarrhythmics? No Bad Boy Keeps Clean (seriously I still remember the right brain bonus video for this!): 1. Na channel blockers, 2. Beta blockers, 3. K channel blockers, 4. CCB
Created by: sarah3148