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Biomedical subjects

P T Munro

Publications and source records attributed to P T Munro.

9 recordsLinked to original sources
PubMed2006

Alcoholic ketoacidosis.

Alcoholic ketoacidosis (AKA) is a common reason for investigation and admission of alcohol dependent patients in UK emergency departments. Although well described in international emergency medicine literature, UK emergency physicians rarely make the diagnosis of AKA. There is increasing evidence that rather than being benign and self limiting, AKA may be a significant cause of mortality in patients with alcohol dependence. This literature review discusses the history, characterisation, pathophysiology, diagnosis, and management of AKA.

Acidosis↗
PubMed2006

Rapid sequence intubation in the emergency department: 5 year trends.

AIM: Airway management is a core aspect of emergency medicine. The technique of rapid sequence intubation (RSI) creates continuing debate between anaesthetists and emergency physicians in the UK, although similar complication rates for emergency department (ED) RSI have been shown for both specialties. This study examined prospectively collected data on every ED RSI performed in a university hospital in Glasgow over 5 years. METHODS: Data were prospectively recorded for every attempted RSI in the ED on a dedicated form (as used in previous studies) between January 1999 and December 2003. Immediate complications were specifically sought in the questionnaire, as was the immediate destination on leaving the ED. The chi2 test was used for categorical data. RESULTS: On average, 51 ED RSI were performed annually (range 42-60). Emergency physician RSI for trauma increased from 32% (7/22) in 1999 to 75% (21/28) in 2003 (chi2 = 9.32, df = 1, p = 0.002) and for non-trauma from 62% (18/29) in 1999 to 79% (23/29) in 2003 (chi2 = 2.08, df = 1, p = 0.15). Complication rates for emergency physician RSI decreased from 43% (3/7) to 14% (3/21) for trauma (chi2 = 2.55, df = 1, p = 0.11) and from 28% (5/18) to 4% (1/23) for non-trauma (chi2 = 4.44, df = 1, p = 0.035). This compares with mean complication rates for anaesthetists for trauma of 17% and for non-trauma of 22%. Incidence of hypotension decreased in all groups; however, oxygen desaturation is now the most common complication. The rate of ED RSI prior to computed tomography (CT) scans increased in both the trauma (79% v 42%; chi2 = 7.42, df = 1, p = 0.0065) and non-trauma (48% v 17%; chi2 = 5.85, df = 1, p = 0.016) groups. CONCLUSION: Emergency physician performed ED RSI is increasingly common but is not associated with overall higher numbers of RSIs being performed in the ED. Effective pre-oxygenation should be emphasised during training.

Emergency Service, Hospital↗
PubMed2005

Aeromedical retrieval to a university hospital emergency department in Scotland.

Rural and island areas of Scotland benefit from the availability of the Scottish Ambulance Service paramedic staffed helicopter for transfers and primary scene responses. There are a small number of patients who require advanced airway management, invasive procedures, or critical care interventions to stabilise them before transport to definitive care. At present these additional skills are provided on an ad hoc basis by senior medical staff drawn from intensive care and emergency medicine at the receiving hospitals. Given the potential difficulties of training paramedics to use these infrequently used skills it may be preferable to establish a formalised system to access suitably trained medical staff. This case series illustrates the clinical challenges and potential benefits of such a service and discusses the practicalities involved.

Air Ambulances↗
PubMed2002

Torsade de pointes.

A case is described of torsade de pointes in a 41 year old woman with pre-existing QTc prolongation, potentially exacerbated by treatment with sotalol. Previous cardiac investigations had been normal and after a second episode of ventricular fibrillation the patient was referred for electrophysiological studies. The authors review the physiology, causes, and treatment of QTc prolongation and torsade de pointes.

Adult↗
PubMed2000

Management of eclampsia in the accident and emergency department.

Eclampsia is defined as the occurrence of seizures in pregnancy or within 10 days of delivery, accompanied by at least two of the following features documented within 24 hours of the seizure: hypertension, proteinuria, thrombocytopenia or raised aspartate amino transferase. Eclampsia complicates approximately one in 2,000 pregnancies in the United Kingdom and it remains one of the main causes of maternal death. Up to 38% of cases of eclampsia can occur without premonitory signs or symptoms of pre-eclampsia-that is, hypertension, proteinuria, and oedema. Only 38% of eclamptic seizures occur antepartum; 18% occur during labour and a further 44% occur postpartum. Rare cases of eclampsia have occurred over a week after delivery. Outcome is poor for mother and child. Almost one in 50 women suffering eclamptic seizures die, 23% will require ventilation and 35% will have at least one major complication including pulmonary oedema, renal failure, disseminated intravascular coagulation, HELLP syndrome, acute respiratory distress syndrome, stroke, or cardiac arrest. Stillbirth or neonatal death occurs in approximately one in 14 cases of eclampsia. Up to one third of eclamptic seizures occur out of hospital. For this reason, initial management may involve accident and emergency departments. Early involvement of senior obstetric staff is crucial. Optimal emergency management of seizures, hypertension, fluid balance and subsequent safe transfer is essential to minimise morbidity and mortality.

Diagnosis, Differential↗
PubMed2000

Munchausen files in Scottish A&E Departments: a review of current practice.

Our objective was to describe current use of Munchausen files in Scottish Accident and Emergency Departments. A Postal questionnaire survey was sent to lead A&E consultant/clinical directors in each department in Summer 1998. A total of 29 departments replied with 27 saying they kept a Munchausen file, of which only two were updated regularly. Organisation of information was variable or absent. Six departments kept data on other groups such as drug misusers, violent patients, missing persons or children at risk in the same file. Of the 27 replies, only 14 departments would review their own files if suspecting a case; only 11 would report a suspected incident, to a variety of destinations. The majority of Scottish A&E departments do keep a Munchausen file although there appears to be little consistency in the collection, use and dissemination of the information therein. An improved data system may lead to more appropriate patient management.

Confidentiality↗
PubMed1996

Intrathoracic lipoma masquerading as subclavian artery trauma.

A 58 year old man was admitted to the accident and emergency department following an industrial accident in which he sustained a three part fracture dislocation of his right humerus. Chest radiography revealed a large mass in the right upper hemithorax and, when the patient became hypotensive, an emergency thoracotomy was performed. The mass was found to be a massive intrathoracic lipoma. This case shows how preexisting intrathoracic lesions may be mistaken for subclavian or great vessel trauma following violent shoulder girdle injury. The differential diagnosis of traumatic and non-traumatic intrathoracic mass lesions in chest radiography should be considered carefully.

Accidents, Occupational↗