Exam 2026-2027 Actual Complete Real Exam Questions And
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What is sinus arrhytmia? - ANSWER-SA node is firing in a
irregular rate
SA arrhytmias are mostly related to what two things? -
ANSWER-1. respiratory
cycles
2. intrathoracic pressure
changes
What are the characteristics that makes sinus arrhytmia
different with sinus
rhythm? - ANSWER-1. the p waves and QRS are
irregular
2. the rate of p and qrs increase during inspiration and
decreases during
expiration
What type of medication can cause sinus arrhytmia? -
ANSWER-digitalis and
morphine
, What is the sinus pause or sinus arrest? - ANSWER-1. when
the SA have a
misfire
What is the key identifier for PAC? - ANSWER-the p waves
How to treat PAC? - ANSWER-1. if they are unfrequent may not
need treatment
2. correct electrolyte
imbalances
3. decrease the consumption of alcohol
or caffeeine
What differs controlled and uncontrolled a-fib? - ANSWER-
uncontrolled the
ventricular rate is greater than 100 and controlled is
less than 100
Saw tooth appearance is known for? - ANSWER-atrial flutter
What are the first line drug for patient with uncontrolled a-
fib? - ANSWER-1.
calclium channel
blocker
2. beta
blocker