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WebM&M Cases & Commentaries | AHRQ Patient Safety Network 3

WebM&M Cases & Commentaries | AHRQ Patient Safety Network



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WebM&M Cases & Commentaries



CASES & COMMENTARIES

Managing Ascites: Hazards of Fluid Removal

  • WEB M&M
Kevin Moore, MBBS, PhD; December 2015
A man with cirrhosis and abdominal distension was found to have significant ascites. The emergency department providers performed a large volume paracentesis to relieve his symptoms, but, as the 10th liter of fluid was removed, the patient became acutely hypotensive.

CASES & COMMENTARIES

Hyperglycemia and Switching to Subcutaneous Insulin

  • WEB M&M
Tosha Wetterneck, MD, MS; December 2015
Hospitalized with nonketotic hyperglycemia, a man was placed on IV insulin and his blood sugars improved. That evening, the patient was transferred to the ICU with chest pain and his IV insulin order was changed to sliding scale subcutaneous insulin. However, over the next several hours, the patient again developed hyperglycemia.

CASES & COMMENTARIES

The Risks of Absent Interoperability: Medication-Induced Hemolysis in a Patient With a Known Allergy

  • SPOTLIGHT CASE
  • CME/CEU
  • WEB M&M
Jacob Reider, MD; October 2015
After leaving Hospital X against medical advice, a man with paraplegia presented to the emergency department of Hospital Y with pain and fever. The patient was diagnosed with sepsis and admitted to Hospital Y for management. In the night, the nurse found the patient unresponsive and called a code blue. The patient was resuscitated and transferred to the ICU, where physicians determined that the arrest was due to acute rupturing of his red blood cells (hemolysis), presumably caused by a reaction to the antibiotic. Later that day, the patient's records arrived from three hospitals where he had been treated recently. One record noted that he had previously experienced a life-threatening allergic reaction to the antibiotic, which was new information for the providers at Hospital Y.

CASES & COMMENTARIES

An Obstructed View

  • WEB M&M
Jonathan Carter, MD; October 2015
A patient with severe abdominal pain was admitted to the medicine service for observation, pain control, and serial abdominal examinations. Surgical consultation was not requested at admission. Two days later, the patient's abdomen worsened. Consultation led to urgent surgery, which revealed a strangulating bowel obstruction and associated perforation.

CASES & COMMENTARIES

Amphotericin Toxicity

  • WEB M&M
Jerod Nagel, PharmD, and Eric Nguyen; October 2015
A woman who had recently had her left lung removed for aspergilloma presented to the outpatient clinic with pain, redness, and pus draining from her sternotomy site. She was admitted for surgical debridement and prescribed IV liposomal amphotericin B for aspergillus. Hours into the IV infusion, the patient developed nausea, vomiting, sweating, and shivering, and it was discovered that she had been given conventional amphotericin B at the dose intended for the liposomal formulation, representing a 5-fold overdose.

CASES & COMMENTARIES

Abdominal Pain in Early Pregnancy

  • SPOTLIGHT CASE
  • CME/CEU
  • WEB M&M
Charlie C. Kilpatrick, MD; September 2015
After several days of abdominal pain, nausea, and vomiting, a pregnant woman visited the emergency department and was swiftly discharged with antibiotics for a UTI. However, she returned the next day with unchanged abdominal pain and more nausea and vomiting. Apart from a focused ultrasound to document her pregnancy, no further testing was done. The patient again returned the following day with increased pain and now appeared more ill. An MRI revealed a ruptured appendix.

CASES & COMMENTARIES

A Fumbled Handoff to Inpatient Rehab

  • WEB M&M
LauraEllen Ashcraft, MSW, and Jeremy M. Kahn, MD, MS; September 2015
An 18-year-old who sustained a traumatic brain injury after a motor vehicle collision required a decompressive craniectomy, a prolonged stay in the adult trauma intensive care unit, and a second operation (cranioplasty) several weeks later. After the second procedure, the patient was transferred to a pediatric acute rehabilitation facility, had new onset seizures the next day, and was transferred to an acute pediatric hospital for evaluation. Findings indicated that another surgical procedure was needed, and he was then transferred back to the adult trauma facility where he had his surgeries.

CASES & COMMENTARIES

Dual Therapy Debacle

  • WEB M&M
Steven R. Kayser, PharmD; September 2015
Following a myocardial infarction, an elderly man underwent percutaneous coronary intervention and had two drug-eluting stents placed. He was given triple anticoagulation therapy for 6 months, with a plan to continue dual anticoagulation therapy for another 6 months. Although the primary care provider saw the patient periodically over the next few years, the medications were not reconciled and the patient remained on the dual therapy for 3 years.

CASES & COMMENTARIES

Privacy or Safety?

  • SPOTLIGHT CASE
  • CME/CEU
  • WEB M&M
John D. Halamka, MD, MS, and Deven McGraw, JD, MPH, LLM; July/August 2015
A hospitalized patient with advanced dementia was to undergo a brain MRI as part of a diagnostic workup for altered mental status. Hospital policy dictated that signout documentation include only patients' initials rather than more identifiable information such as full name or birth date. In this case, the patient requiring the brain MRI had the same initials as another patient on the same unit with severe cognitive impairment from a traumatic brain injury. The cross-covering resident mixed up the two patients and placed the MRI order in the wrong chart. Because the order for a "brain MRI to evaluate worsening cognitive function" could apply to either patient, neither the bedside nurse nor radiologist noticed the error.

CASES & COMMENTARIES

Breathe Easy: Safe Tracheostomy Management

  • WEB M&M
Matthew S. Russell, MD, and Marika D. Russell, MD; July/August 2015
Admitted to the hospital with sepsis and pneumonia, an elderly man developed acute respiratory distress syndrome requiring mechanical ventilation. On hospital day 12, clinicians placed a tracheostomy, and a few days later the patient developed acute hypoxia and ultimately went into cardiac arrest when his tracheostomy tube became dislodged.

CASES & COMMENTARIES

Baffled by Botulinum Toxin

  • WEB M&M
Krishnan Padmakumari Sivaraman Nair, DM; July/August 2015
A 5-year-old boy with transverse myelitis presented to the rehabilitation medicine clinic for scheduled quarterly botulinum toxin injections to his legs for spasticity. Halfway through the course of injections, the patient's mother noted her son was tolerating the procedure "much better than 3 weeks earlier"—the patient had been getting extra injections without the physicians' knowledge. Physicians discussed the risks of too-frequent injections with the family. Fortunately, the patient had no adverse effects from the additional injections.

CASES & COMMENTARIES

Anchoring Bias With Critical Implications

  • SPOTLIGHT CASE
  • CME/CEU
  • WEB M&M
Edward Etchells, MD, MSc; June 2015
After multiple visits to both his primary care provider and urgent care for chronic burning left foot pain attributed to peripheral neuropathy, a man presented to the emergency department with worsening symptoms. His left lower leg was dusky and extremely tender, with non-palpable pulses. CT angiography revealed complete blockage of the left superficial femoral artery due to atherosclerotic peripheral arterial disease. The patient required emergent vascular bypass surgery on his left leg, and ultimately, an above-the-knee amputation.

CASES & COMMENTARIES

Inflicting Confusion

  • WEB M&M
Frank I. Scott, MD, MSCE, and Gary R. Lichtenstein, MD; June 2015
Admitted to the hospital with a small bowel obstruction and ileitis consistent with an exacerbation of Crohn disease, a man was given empiric antibiotic therapy and infliximab prior to consultation with gastroenterology. Gastroenterology recommended sending stool studies and initiating infliximab only after those studies were negative for infection. The stool studies were sent, but the primary team did not discontinue the infliximab. The patient was found to have Clostridium difficile infection.

CASES & COMMENTARIES

Unseen Perils of Urinary Catheters

  • WEB M&M
Diane K. Newman, DNP, MSN; Robyn Strauss, MSN; Liza Abraham, CRNP; and Bridget Major-Joynes, MSN, RN; June 2015
A hospitalized older man with a complicated medical history had not voided in several hours. The patient voided just prior to catheter insertion, which produced no urine, and the nurse assumed that meant the patient's bladder was empty. Two hours later the patient complained of discomfort and a blood clot was found in his tubing. Continuous bladder irrigation was ordered, but the pain became worse. Urgent consultation by urology revealed that the urinary catheter was not in the bladder.

CASES & COMMENTARIES

Errors in Sepsis Management

  • SPOTLIGHT CASE
  • CME/CEU
  • WEB M&M
David Shimabukuro, MD; May 2015
An older woman with a history of pulmonary hypertension, chronic obstructive pulmonary disease, and coronary artery disease was admitted to the hospital with pneumonia. She received levofloxacin (administered approximately 3 hours after presentation). Twenty-four hours after admission, her blood cultures grew methicillin-resistant Staphylococcus aureus, and vancomycin was added to her antibiotic regimen. The patient developed respiratory failure requiring mechanical ventilation as well as septic shock requiring vasopressors.

CASES & COMMENTARIES

Transitions in Adolescent Medicine

  • WEB M&M
Megumi J. Okumura, MD, MAS, and Roberta G. Williams, MD; May 2015
A 21-year-old woman with a history of Marfan syndrome complicated by aortic root dilation presented to the emergency department with abdominal pain and was found to be pregnant. It was her second pregnancy; she had a therapeutic abortion 4 years earlier due to the risk of aortic rupture during pregnancy. At that time, the patient had been advised to have her aortic root surgically repaired in the near future. However, after the patient turned 18, she did not receive regular follow-up care or pre-conception or contraception counseling despite the risk to her health should she become pregnant.

CASES & COMMENTARIES

Departure From Central Line Ritual

  • WEB M&M
Dustin W. Ballard, MD, MBE; David R. Vinson, MD; and Dustin G. Mark, MD; May 2015
A man with a history of poorly controlled diabetes and pancreatic insufficiency was found unresponsive. Paramedics transported him to the emergency department, where a resident placed a right internal jugular line for access but was unable to confirm placement. The resident pulled the line, opened a second line insertion kit, started over, and confirmed placement with ultrasound. The patient went into cardiac arrest, and a chest radiograph noted a retained guidewire in the pulmonary artery.

CASES & COMMENTARIES

Dissecting the Presentation

  • SPOTLIGHT CASE
  • CME/CEU
  • WEB M&M
Shirley Beng Suat Ooi, MBBS (S'pore); April 2015
A woman admitted to the hospital with a presumed transient ischemic attack and possible gastrointestinal bleeding was found unconscious and in cardiac arrest on hospital day 2. Despite maximal resuscitation efforts, the patient died. Autopsy revealed that the cause of death was an acute aortic dissection.

CASES & COMMENTARIES

Transition to Nowhere

  • WEB M&M
Timothy W. Farrell, MD; April 2015
For a man with hypertension, prostate cancer, and chronic kidney disease hospitalized with acute kidney injury, discharge planning created numerous challenges. The inpatient team wanted a 1-week follow up, but the patient was new to this health system and had not yet seen a primary care provider. With the next available appointment in 6 weeks, the patient was instructed to call the urgent care clinic (which offered only same-day appointments) 1 week later. However, he never made it to the clinic and presented to the emergency department 2 weeks later with poorly controlled hypertension.

CASES & COMMENTARIES

Fire in the Hole!—An OR Fire

  • WEB M&M
Sonya P. Mehta, MD, MHS, and Karen B. Domino, MD, MPH; April 2015
During laparoscopic subtotal colon resection for adenocarcinoma, a patient's bladder was accidentally lacerated and surgeons repaired it without difficulty. As nurses set up bladder irrigation equipment, no one noticed the bag of solution was dripping into the power supply of an anesthesiology monitor. Suddenly sparks and flames began shooting from the monitor, and the OR filled with black smoke. Fortunately, the fire was extinguished quickly and neither the patient nor any OR staff was injured.