Category Archives: General

What The Heck? The Answer

Obviously, there’s a big knife in this image, and it appears to coincide with our patient. Remember, you can’t tell the relative positions of objects in the z axis in a two dimensional radiograph. However, you know that it is not on top of or under this patient, because there is an obvious hemothorax.

First, this patient should have been a trauma activation, since there is a penetrating injury of the chest. The first decision point is based on vital signs: is the patient hemodynamically normal? If not, do the essentials quickly (quick exam, lines, blood draw for blood bank) and move to the OR. The quick exam is important, especially of the back, since you may not see it for the next few hours and additional injuries there could be trouble.

If the patient is stable, then it’s time to do the essentials and figure out what you are going to need to do in the next hour. A chest xray can be very helpful. However, given the size of the knife and the fact that it appears to be buried to the hilt allows you to calculate the trajectory in your mind. The only question is if it went in far enough to enter the abdomen.

The xray shows a moderate hemothorax and a tip that extends well into some part of the abdomen, no matter how you look at it. It has also come alarmingly close to the heart. If the knife had not penetrated as deeply and was obviously only in the chest, then removal of the knife with insertion of a chest tube would be appropriate. 

However, in the case of this xray, the patient still needs to go to the OR. The chest and abdomen need to be prepped and the abdomen opened first. Once the knife is located, the next steps can be planned. If there is concern for the heart, the pericardial surface of the diaphragm can be opened to look for blood. If found, extension of the laparotomy incision into a sternotomy is appropriate for cardiac repair. If not, the tip of the knife should be visualized and the weapon slowly removed under direct vision. Any bleeding structures can be dealt with first as it goes, followed by any injuries to a hollow viscus.

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Trauma Care And HIPAA Demystified

HIPAA

There is a lot of confusion and misinformation out there regarding HIPAA (Health Insurance Portability and Accountability Act). This law was enacted in 1996 with the intent of protecting the health insurance benefits of workers who lose or change their jobs, providing standards for electronic health care transactions, and protecting a patient’s sensitive health information. This last part has caused much grief among trauma professionals.

It is commonplace for a trauma patient to require the services of many providers, from the initial prehospital crew, doctors and nurses at the initial hospital, yet another ambulance or aeromedical crew, professionals at a receiving trauma center, rehab or transitional care providers, and the patient’s primary physician to name a few. Unfortunately, because there can be significant financial penalties for violating the HIPAA privacy guidelines, providers are more likely to err (incorrectly) on the side of denying information to others outside their own institution.

All of the people mentioned above are considered “covered entities” and must abide by the HIPAA Privacy Rule. This rule allows us to release protected information for treatment, payment and “health care operations” within certain limits. The first and last items are the key provisions for most trauma professionals.

Treatment includes provision, coordination and management of care, as well as consultations and referrals (such as transferring to a trauma center). Think of this as the forward flow of information about your patient that accompanies them during their travels.

Health care operations include administrative, financial, legal and quality improvement activities. These quality improvement activities depend on the reverse flow of information to professionals who have already taken care of the patient. They need this feedback to ensure they continue to provide the best care possible to everyone they touch.

Bottom line: Trauma professionals do not have to deny patient information to others if they follow the rules. Obviously, full information must be provided to EMS personnel and receiving physicians when a patient is transferred to a trauma center. But sending information the other way is also okay when used for performance improvement purposes. This includes providing feedback to prehospital providers, physicians, and nurses who were involved in the patient’s care at every point before the transfer. The key is that the information must be limited and relevant to that specific encounter.

Feedback letters and forms, phone conversations and other types of communications for PI are fine! But stay away from email, which is not secure and is usually a violation of your institutional privacy policies.

Always consult your hospital compliance personnel if you have specific questions about HIPAA compliance.

Reference: HIPAA Privacy Rule

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Distracted Driving In Police Officers

A lot has been written about the hazards of distracted driving. Now, there is new information about the impact of distraction on police officers! A public safety administration class at St. Mary’s University here in Minnesota analyzed 378 crashes involving police cars from 2006 to 2010. The results are intriguing!

Key findings included:

  • Most crashes occurred during non-emergency responses
  • Crashes occurring during emergency responses were the most expensive
  • Distracted driving caused 14% of all crashes
  • Half of distracted driving crashes were due to the use of squad car computers
  • Average insurance claim was $3,000 per crash. However, if the crash was due to distracted driving it doubled to $6,000. If the crash was due to squad car computer distraction the average cost was $10,000!

This study is interesting, but it’s only a partial snapshot of this type of crash in one state. It did not include some of the larger police departments, such as St. Paul and Minneapolis.

Bottom line: It’s safe to assume that distracted driving is just as dangerous to police (and prehospital providers, too). And with growing dependence on advanced technology for law enforcement, this problem is just going to get worse. It is imperative that everything be done to improve safety for our law enforcement colleagues. Potential solutions include training to increase awareness of distractions within the car, simulator testing of driving while using cockpit technology, and ergonomic studies to maximize field of view from within the car.

Related posts:

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CT Cystography For Bladder Trauma

Bladder injury after blunt trauma is relatively uncommon, but needs to be identified promptly. Nearly every patient (97%+) with a bladder injury will have hematuria that is visible to the naked eye. This should prompt the trauma professional to obtain a CT of the abdomen/pelvis and a CT cystogram.

The CT of the abdomen and pelvis will identify any renal or ureteral (extremely rare!) source for the hematuria. The CT cystogram will demonstrate a bladder injury, but only if done properly!

During most trauma CT scanning of the abdomen and pelvis, the bladder is allowed to passively fill, either by having no urinary catheter and having the patient hold it, or by clamping the catheter if it is present. Unfortunately, this does not provide enough pressure to demonstrate small intraperitoneal bladder injuries and most extraperitoneal injuries.

The proper technique involves infusing contrast into the bladder through a urinary catheter. At least 350cc of dilute contrast solution must be instilled for proper distension and accurate diagnosis. This can be done prior to the abdominal scan. Once the initial scan has been obtained, the bladder must be emptied and a focused scan of just the bladder should be performed (post-void images). Several papers have shown that this technique is as accurate as conventional retrograde cystography, with 100% sensitivity and specificity for intraperitoneal ruptures. The sensitivity for extraperitoneal injury was slightly less at 93%.

Bottom line: Gross hematuria equals CT of the abdomen/pelvis and a proper CT cystogram, as described above. Don’t try to cheat and passively fill the bladder. You will miss about half of these injuries!

Related posts:

Reference: CT cystography with multiplanar reformation for suspected bladder rupture: experience in 234 cases. Am J Roentgenol 187(5):1296-302, 2006.

Intraperitoneal bladder injury

Intraperitoneal bladder rupture

Extraperitoneal bladder

Extraperitoneal bladder injury

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