IABP – radio-opaque marker – close up on CXR

This is a magnification of the CXR demonstrating the IAB against the background of the heart.

The contrast & briteness were significantly altered to easily identify the inflated balloon.

cxr-iab mag


cxr-iab mag - marker

above : the radio-opaque marker is identified by the 2 red arrows against the background of the heart.

cxr-iab mag 002

above : the inflated balloon is outlines by the arrows.

IABP – radio-opaque marker

The IABP can be visualized in this radiograph below.

Look for the gas density (= black) in the CXR in the form of a balloon  (aligned vertically ) in the descending Ao.

In a CXR, patent alveoli = black ; atelectasis = white.

Other gas filled structures will also appear black :

> stomach, esophagus, ETT cuff.

> IABP (during inflation >> with Helium).




cxr-iab radioopaque marker

pictured above, radio-opaque marker at the tip of the IAB.

Ideal position : 2cm below the top of the  Aortic arch.


If you can discern the intervertebral space thru the heart on film , the CXR technique was good!

How was the radiology techs technique in taking an cxr?

resplearn-intravertebral space 001resplearn-intravertebral space 002

It is suggested that if the intervertebral space can be discerned thru the heart, the radiology technician

had good technique.

The x-ray had to travel thru (from front (ventrum) to back (dorsum) :

front of patient > skin > muscle > bone > front of heart muscle > blood in heart >

intracardiac structure > back of heart muscle > bone > muscle > skin > back of patient …

and yet one can discern the intervertebral space, technique was good!

BiVent as a Quick Differentially Diagnosing Tool For Elucidating Pathologic Disease

Please enjoy this presentation on BiVent.

As with any discussion, please discuss enacting BiVent with your medical director, resp dept director, supervisors, managers, coordinators, resp peers, medical attending, medical resident, icu intensivist, physician’s assistant, nurse practioner, and nurse.

We present it as a differentially diagnosing tool to keep amidst our armamentarium of tools.

The beauty of this paradigm is that while awaiting any other tool required to diagnose or “rule-in” another diagnosis, the diagnosis of “run away atelectasis” can be ruled-in or ruled-out starting immediately.