The American journal of emergency medicine
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Comment Letter Meta Analysis
Re: Tenecteplase for thrombolysis in stroke patients: Systematic review with meta-analysis.
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Acute carbon monoxide (CO) poisoning due to smoking hookah has been reported and may present similarly to other causes of acute carbon monoxide poisoning with nausea, headache, and loss of consciousness [1]. In the acute poisoned patient, immediate removal from the carbon monoxide source is paramount in addition to administration of oxygen and possible hyperbaric oxygen therapy (HBO) in certain situations. However, cases of chronic CO poisoning, treatment options, and long-term adverse health effects are far less reported but may include atherosclerosis and vague neurologic symptoms [2]. ⋯ While being seen in the hematology clinic, he was found to have a blood carboxyhemoglobin of level 33.6% despite being asymptomatic. This is the highest recorded hookah-related carboxyhemoglobin concentration in the medical literature; and the significant chronic carboxyhemoglobinemia explained his polycythemia. This case illustrates that a social history is crucial when assessing the patient with severe carboxyhemoglobinemia as HBO is not indicated in chronic CO poisoning in an asymptomatic patient.
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Resuscitative endovascular balloon occlusion of the aorta (REBOA) is primarily utilized in traumatic non-compressible torso hemorrhage. We present a 49-year-old male with hemorrhagic shock necessitating on-site REBOA placement on an island 986 km away from the nearest critical care center. The patient experienced sudden pain in the right costal margin and visited the local clinic where computed tomography revealed a massive intra-abdominal hemorrhage and a renal artery aneurysm. ⋯ The patient was later discharged home in a good state of health. On-site REBOA placement is not only applicable to trauma but also internal hemorrhaging due to non-traumatic causes. Partial and intermittent REBOA successfully stabilized circulation, prevented organ ischemia and facilitated long-distance patient transport in the present case.
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Bradycardia is an under-studied manifestation of hyperkalemia potentially associated with adverse outcomes. We sought to systematically describe emergency department (ED) patients that present with severe bradycardia (heart rate < 50) associated with severe hyperkalemia (potassium ≥6.0 mEQ/L) and identify factors associated with the receipt of hemodynamic support. ⋯ Patients presenting with severe bradycardia represent a unique phenotype of ED patients with hyperkalemia that may require significant resuscitation and critical care resources. Further research on the treatment of this uncommon, but potentially life-threatening condition is needed.