exam 3 Flashcards
which of the following are the characteristics of a PVC?
increased length of qrs complex and the T wave goes in opposite directions as QRS
what is most common cause of PEA?
Hypovolemia
Which of the following are possible causes of PVC?
acute coronary syndrome, CHF, Stress, Anxiety
What are characteristics of an idoventricular rhythm?
P waves usually absent, PR interval not present, QRS complex has a width greater then 0.12
The ECG shows normal sinus rhythm but no pulse can be palpated. What should be started immediately
CPR
Which of the following is are potential causes of ventricular tachycardia?
digitalis toxicity, acid-base imbalance, cocaine abuse
Which of the following arrthymias can be treated with d-fib?
PVC, v-fib
Which of the following are symptoms of unstable ventricular tachycardia?
chest pain, altered mental status, shock, SOB
which of the following are causes of v-fib?
electrocution, electrolyte imbalance
which of the following accurately describe management of systole?
immediate CPR, confirmation pulse is absent, tracheal intubation
which of the following is the distinguishing factor in the diagnosis of first degree heart block?
increased length in P wave
while monitoring the ECG you observe the length of the PR interval increases with each heart beat until QRS is dropped. The length of the PR interval returns to normal and the process is repeated. Which of the following rhythms is present?
second degree heart block type 1
which of the following are used to treat mobitz type 1 heart block if hemodynamic compromise is present?
administration of atropine, use of transcutaneous pacemaker
what are possible causes of mobitz type 2 heart block?
anterior wall MI, myocarditis, organic heart disease of left coronary artery
which of the following rhythms may resolve on its own in one week?
third degree heart block
which of the following statements regarding third degree heart block are accurate?
atrial rate will be greater then ventricular rate, P waves are normal in size and shape, it is also referred to as complete heart block
you are monitoring a patient using fluid filled system and the transducer is positioned above the tip of the catheter. how will this affect the measured pressure?
it will be less then the actual pressure
how much fluid is delivered through the indwelling catheter to prevent back flow?
3-5
where should transducer in a fluid filled system be placed?
level with right atrium
what is the function of the transducer in fluid filled system?
to convert mechanical enegery into electrical energy
know what unifocal PVC, mutlfocal PVC, Idioventricular rhythm, ventricular tachycardia and ventricular filtration look like. Also know what bigeminy, trigrminy and quadgeminy look like
