PACs associated with a wide QRS complex are called _____ _____ PACs, indicating that conduction ...

PACs associated with a wide QRS complex are called _____ _____ PACs, indicating that conduction through the ventricles is abnormal.
 
  Fill in the blanks with correct word

Question 2

Sometimes, when a premature atrial complex (PAC) occurs very prematurely and close to the T wave of the preceding beat, only a P wave may be seen with no QRS after it (appearing as a pause). This type of PAC is termed a _____ PAC.
 
  Fill in the blanks with correct word

Question 3

Delivery of an electrical current timed for delivery during the QRS complex is called _____ _____.
 
  Fill in the blanks with correct word

Question 4

When reviewing a 12-lead ECG, intervals and duration are usually expressed in _____.
 
  Fill in the blanks with correct word

Question 5

A 77-year-old woman is complaining of a sudden onset of palpitations. The cardiac monitor reveals atrial fibrillation with a ventricular response of 144 to 210 beats/min while the patient is at rest.
 
  In this situation, the ventricular rate associated with this rhythm is considered to be _____.
  a. controlled
  b. uncontrolled