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RCES part 2
Questions and Correct Answers
What is the circled wave? Ans: T wave
What is the large ECG waveform at the arrow Ans: QRS
What is the waveform at the arrow in the EGM? Ans: A wave
following a PVC
What is the waveform pointed to? Ans: V wave
What type of conduction happens in the 3rd (last) complex shown
(look at the last complex, not the arrow)? Ans: PJC
In this EGM, pacing is performed via which catheter? Ans: RV
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, 2 | Page
At the start of an electrophysiology study the physician may pace
the heart from several different areas for baseline measurements.
What catheter is being paced in this example? Ans: HRA
What will the QRS look like on the surface leads if the RVa is being
paced? Ans: It'll be wide.
What information does the "stim" line give? Ans: Pacing output
What is burst pacing? Ans: Pacing at a fixed cycle length.
What is incremental pacing (decremental)? Ans: Pacing at a
constant cycle length slightly shorter than the patient's
spontaneous rhythm then decreasing cycle length (or increasing
the pacing rate) by small steps (usually 10 ms).
What is the typical guiding catheter or long sheath made from?
Ans: -Inner lumen made of teflon
-Braided stainless steel wires imbedded in a plastic jacket to make
the catheter strong and torquable
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, 3 | Page
-Polyurethane forms the body of the catheter
-Coating that is hypo thrombogenic: can include silicone, heparine,
hydrophilics
Many catheters can not be reused. After being used in a patient
what type of "single use devices" may be re-sterilzed by 3rd party
processors and then re-used on other patients? Ans: Diagnostic EP
electrodes
What French size is a catheter with an outer diameter of 2.66 mm?
Ans: 8 F
(to remember-6 F is 2 mm so set up a proportion 2mm/6 F=2.66
mm/x F)
The outside diameter of a 5.5 French catheter is: Ans: 1.83 mm
The TIP inner diameter on standard diagnostic cardiac catheters is:
Ans: 0.038 inch
© 2025 All rights reserved
RCES part 2
Questions and Correct Answers
What is the circled wave? Ans: T wave
What is the large ECG waveform at the arrow Ans: QRS
What is the waveform at the arrow in the EGM? Ans: A wave
following a PVC
What is the waveform pointed to? Ans: V wave
What type of conduction happens in the 3rd (last) complex shown
(look at the last complex, not the arrow)? Ans: PJC
In this EGM, pacing is performed via which catheter? Ans: RV
© 2025 All rights reserved
, 2 | Page
At the start of an electrophysiology study the physician may pace
the heart from several different areas for baseline measurements.
What catheter is being paced in this example? Ans: HRA
What will the QRS look like on the surface leads if the RVa is being
paced? Ans: It'll be wide.
What information does the "stim" line give? Ans: Pacing output
What is burst pacing? Ans: Pacing at a fixed cycle length.
What is incremental pacing (decremental)? Ans: Pacing at a
constant cycle length slightly shorter than the patient's
spontaneous rhythm then decreasing cycle length (or increasing
the pacing rate) by small steps (usually 10 ms).
What is the typical guiding catheter or long sheath made from?
Ans: -Inner lumen made of teflon
-Braided stainless steel wires imbedded in a plastic jacket to make
the catheter strong and torquable
© 2025 All rights reserved
, 3 | Page
-Polyurethane forms the body of the catheter
-Coating that is hypo thrombogenic: can include silicone, heparine,
hydrophilics
Many catheters can not be reused. After being used in a patient
what type of "single use devices" may be re-sterilzed by 3rd party
processors and then re-used on other patients? Ans: Diagnostic EP
electrodes
What French size is a catheter with an outer diameter of 2.66 mm?
Ans: 8 F
(to remember-6 F is 2 mm so set up a proportion 2mm/6 F=2.66
mm/x F)
The outside diameter of a 5.5 French catheter is: Ans: 1.83 mm
The TIP inner diameter on standard diagnostic cardiac catheters is:
Ans: 0.038 inch
© 2025 All rights reserved
