BMJ case reports
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A 44-year-old man presented to hospital 24 h after an intentional overdose of metformin and gliclazide. He had a critical metabolic acidosis on presentation with a pH of 6.88, and very rapidly deteriorated into distributive shock refractory to large volume fluid resuscitation and massive doses of vasopressors. We introduced a methylene blue infusion as a rescue therapy in an attempt to improve the patient's haemodynamics, which was successful. The patient made a full recovery with no long-term sequelae.
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Case Reports
ECG phasic voltage changes associated with spontaneous pneumothorax in a patient with vanishing lung syndrome.
Alternating or phasic ECG voltage changes are most commonly associated with intrinsic myocardial electrophysiological perturbations or mechanical oscillation within a pericardial effusion. Rare descriptions of electrical alternation have been reported with pneumothorax. We present a case of a 53-year-old woman with vanishing lung syndrome who presented with spontaneous left pneumothorax and phasic ECG voltage changes that resolved after re-expansion of the lung.
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A 53-year-old woman with spinal muscular atrophy and a 7-year history of nocturnal non-invasive ventilation (NIV) use via nasal mask and chinstrap was admitted electively. Outpatient review suggested symptomatic hypercapnia and hypoxaemia. Use of her usual NIV resulted in early morning respiratory acidosis due to excess mouth leak, and continuous face mask NIV was instigated while in hospital. ⋯ Control of respiratory failure was achieved and, vitally, independent living maintained. Intermittent MPV was practicable and effective where the limits of ventilator tolerance had otherwise been reached. MPV may reduce the need for tracheostomy ventilation and this case serves as a reminder of the increasing options routinely available to NIV clinicians.
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Pregabalin is widely used for treatment of neuropathic pain and is only approved for oral use. This is the first reported case of using pregabalin by the rectal route for treatment in a 70-year-old patient with chronic neuropathic pain and complete intestinal failure. ⋯ Serum levels were measured to assess absorption. Within a few weeks of starting the treatment, the patient had improved pain control and appeared more comfortable and calm.