Intra-Aortic Balloon Pump answers

Intra-Aortic Balloon Pump answers
IABP cath insertion can occur in✔✔OR during cardiac surgery
Cardiac cath
bedside (emergencies)

IAB cath is typically inserted in✔✔femoral artery

IAB cath is placed in __ aorta __ below the __ & above the __
branches.✔✔descending thoracic
1-2 cm
L subclavian artery
renal artery

Cath should be visible on Xray b/w✔✔2nd & 3rd intercostal spaces

If balloon is placed too low, it can obstruct✔✔renal arteries

If balloon is placed too high, it can obstruct✔✔L subclavian artery or
L carotid artery

Contrary to all other arteries in body, coronaries are perfused during✔✔diastole

IAB is inflated at onset of✔✔diastole after aortic valve closes

Increase in aortic diastolic pressure perfuses coronaries &✔✔improves myocardial
O2 delivery

IAB deflates at onset of systole decreasing afterload resulting in✔✔decreased LV
workload
decreased myocardial O2 demand

IABP is freq referred to a counter pulsation because✔✔balloon inflates during
diastole & deflates during systole

Timing of IABP is always performed using __ as a guide for balloon
timing.✔✔arterial waveform

Dicrotic notch signals✔✔closure of aortic valve

When IABP console recognizes dicrotic notch, the balloon will✔✔inflate

When IABP console identifies the pts R wave, the balloon will✔✔deflate

IABP therapy indications✔✔angina
MI
cardiogenic shock