The purpose of this study was to determine current experience and training of emergency medical support personnel for special weapons and tactics (SWAT) teams in North America.

This cross-sectional, epidemiologic survey was sent to SWAT unit commanders from the 200 largest metropolitan areas. Questions included basic demographics, specialized training of emergency medical services (EMS) personnel, and where such personnel are deployed during tactical operations. Unit commanders also were asked to estimate the number and type of injuries sustained during tactical operations and to list any recommendations to improve the EMS response.

A total of 150 surveys was completed, for a response rate of 75%. The most common medical support (69%) was a civilian ambulance on standby at a predesignated location. Ninety-four percent of these prehospital care providers had no specialized training, and could not enter an area that was not secured tactically. Police officers with first aid or EMT training comprised the next largest group of medical support. Overall, 31% of SWAT commanders depended on remote EMS dispatch by radio to the scene when injuries occurred. Thirty-eight percent of respondents reported a significant injury had occurred during their tactical operations within the past 24 months. Common injuries included gunshot wounds, chemical exposure, and fractures. However, 78% (117/150) of respondents did not have a medical director, and 23% (35/150) of teams did not have an EMS preplan or protocol.

The results suggest a need for established EMS protocols, medical direction, and specialized tactical medical training, especially in large metropolitan areas.

Although the efficacy of the administration of beta-adrenergic bronchodilators has been demonstrated, the best method available for the delivery of these drugs in the prehospital setting has not been defined. This paper compares the effects of administration of metaproterenol when administered by paramedics using either a metered-dose inhaler (MDI) or a hand-held nebulizer (HHN).

There is no difference in the effects produced in patients suffering from smooth bronchiolar muscle spasm by metaproterenol when delivered either by a standard metered-dose inhaler or with a hand-held nebulizer.

Consecutive prehospital patients complaining of difficulty breathing with clinical evidence of bronchospasm and with a history of asthma, chronic obstructive pulmonary disease, or emphysema who were not in extremis.

Prior to the administration of metaproterenol, a peak expiratory flow rate (PEFR) was obtained. This measurement was repeated five minutes following the conclusion of the administration of metaproterenol. Patients in Burbank, California, received the treatment using a standard metered-dose inhaler, and those in Madison, Wisconsin, received the drug using a hand-held nebulizer. Peak expiratory flow rates were compared using Student's t-tests with Bonferroni's correction. Statistical significance was set at p <0.05.

Data were collected from 36 consecutive patients by the paramedics of the Burbank Fire Department and from 32 consecutive patients by the paramedics of the Madison Fire Department. For the metered-dose inhaler group, the mean value for peak expiratory flow rate for the pre-treatment test was 95.4 ±88.1 1/min, and after treatment was 109.4 ±89.3 1/min (p <0.001). For the hand-held nebulizer group, the mean value for peak expiratory flow rate before the administration of the metaproterenol was 96.1 ±76.3 1/min and following the treatment was 149.1 ±92.9 1/min (p <0.001). The mean values for the differences between the control peak expiratory flow rate and the post-treatment peak expiratory flow rate for the metered-dose inhaler group was +14.0 ±27.4 1/min, and for the hand-held nebulizer group was +53.0 ±69.1 1/min (p <0.003).

In the prehospital setting the administration of metaproterenol using a hand-held nebulizer is more effective than delivering the drug using a metered-dose inhaler. The hand-held nebulizer is easier to use and delivers a higher dose of the drug than is convenient using the metered-dose inhaler.

First aid is the initial care of the ill or injured. It aims to preserve and protect life, prevent further injury or deterioration of illness, and help promote recovery. At major public events, there is a large gathering of people, physical spectacles, and equipment within a concentrated area, where organized first-aid care is provided.

To analyze the demand for primary medical care at a public event by identifying the patients and initial symptoms that may predict that demand, and to use such information to improve the efficiency and delivery of medical care.

A questionnaire was completed by St. John Operations Branch personnel after each patient consultation and a retrospective analysis of the data was conducted.

A total of 1,276 questionnaires were returned. Mean patient presentation rate (PPR) was 1.9±0.47 per 1,000 show attendees. This correlated best with the maximum daily temperature (r = 0.715, p <0.02) and show day (r = 0.615, p <0.05). There was poor correlation with daily attendance (r = −0.235, p >0.54). Mean presentation time was 15:13 h. Of those whose gender was recorded, 58.4% were females, and 41.6% were males. The most frequent age group was 13 to 20 years. The nature and number of initial symptoms are listed. Basic first-aid skills were used for 96.7% of symptoms; 2.4% of patients were referred to the hospital.

Temperature and show day significantly contributed to variability of PPR. These factors, together with an estimated PPR and predicted attendance, can be used to forecast demand. Most cases required only basic first-aid skills. Guidelines are suggested for management by nonmedical personnel. A medical officer's role is not reliably defined, but involvement in consultation is suggested.

To describe the efficiency of using on-line medical command (OLMC) to conduct a prospective, randomized clinical trial addressing safety and patient enrollment.

Prospective design using OLMC to randomize adult asthmatics into one of three treatment groups. After verifying inclusion and exclusion criteria, OLMC physicians removed a covering label on study sheets and ordered the treatment specified underneath the label that had been assigned in a random sequence.

A total of 204 patients were seen with dyspnea and wheezing during the three-month study. Of these, 68 (33%) were excluded from the study. Of the 136 (67%) patients who were eligible for study, 87 were enrolled (enrollment efficiency 64%), with 79 fully evaluable (evaluable efficiency 91%). The study safety was 100% because no enrolled patients met any exclusion criteria.

The design was random and prospective, with patient entry blinded, using paramedics to enroll patients and OLMC physicians as gatekeepers, thus ensuring appropriate patient eligibility and study-arm assignment. Use of OLMC physicians to perform prospective randomized studies is safe and efficient, and results in a high yield of evaluable patients.

Predicting paramedic candidate performance on the written Iicensure examination is of considerable importance to educators, students, employers, and state regulators. There has been little investigation of the available statistical data regarding examinee pass rate and examination score. No studies have measured an examinee's sequential success pattern on the basic emergency medical technician (EMT) or paramedic examinations. There has been no analysis of the relationship between the number of examinations required for successful paramedic Iicensure and examination score.

The purpose of this study was to determine the frequency with which paramedic Iicensure examinees successfully pass the State of Michigan written examination on the first or subsequent attempts; to determine the frequency with which the paramedic examinees pass the prerequisite basic EMT Iicensure examination; to determine whether the frequency of paramedic examination attempts is related to examination score; and to determine whether there is a relationship between successfully passing the basic EMT examination and successfully passing the paramedic examination.

A retrospective study of Michigan paramedic Iicensure examination results for 1994 was done on the basis of a review of reports prepared for Michigan Department of Public Health Emergency Medical Services (MDPH-EMS) by Professional Examination Services. Analysis of paramedic examination score and the number of examination attempts is correlated to EMT score and number of attempts required to pass. Success in the first or subsequent paramedic examinations is correlated to paramedic score, and success in passing the first or subsequent EMT examination is then related to success in passing the paramedic examination.

Paramedic examinees (n = 869) generated a 72.1% pass rate in 1994 (mean score = 82.2%). The minimum passing score is 80%. The average score for examinees who passed (n = 627) was 86.2 % (95% confidence interval [CI] = 85.8–86.6%); those who failed (n = 242) averaged 71.9% (95% CI = 71.1–72.6%). Paramedic examinees successful on the first attempt (n = 500) had higher average scores (mean = 87.1%; 95% CI = 86.7–87.5%) than did those who required multiple attempts (mean = 82.8%; 95% CI = 82.3–83.3%; n = 127).

A total of 702 (90.5%) paramedic examinees passed the EMT examination on the first attempt. Examinees who passed the EMT examination the first time averaged fewer attempts on the paramedic examination (mean 1.5; 95% CI = 1.4–1.6) than did those who required multiple EMT examinations (mean 2.3; 95% CI = 2.0–2.6). Paramedic examinees passing the EMT examination in one attempt had higher average paramedic scores (82.6%; 95% CI = 82.1–83.2%) than those needing multiple EMT attempts (75.5%; 95% CI = 73.4–77.5%).

Paramedic examinees who pass their EMT Iicensure examination on the first attempt have a significantly better chance of passing the paramedic Iicensure examination. Paramedic Iicensure examinees who pass the paramedic examination on the first attempt score significantly higher than do examinees who require additional attempts. Paramedic programs should incorporate EMT examination performance into their student selection criteria. Further study of variables predictive of success is needed.

The purpose of this study was to determine whether basic life support, prehospital emergency medical care in a rural area affects the hospital course of patients with respiratory distress.

Medical records for patients admitted from the emergency department with a discharge diagnosis related to respiratory disease were reviewed. Data collected included: 1) mode of arrival; 2) initial symptom; 3) vital signs; 4) prehospital interventions applied; 5) hospital days; 6) discharge status; and 7) principal diagnosis. Multiple logistic regression analysis was used to predict length of hospital stay.

Charts for 603 patients were reviewed. Complete data for all variables included in the logistic regression analysis were available for 471 patients (78.1%). Because 55 patients died, only 416 (69.0%) were included in the multiple regression analysis conducted to predict length of hospital stay. Logistic regression analysis demonstrated that patients who arrived by ambulance and older patients were more likely to die; patients with higher systolic blood pressures were more likely to survive. Only patient age predicted length of hospital stay, with older patients having longer stays.

Basic life support prehospital care in this rural emergency medical services system does not result in a lower mortality rate or a shorter hospital stay for a broad group of patients with respiratory distress who require hospital admission. Although this study is limited to a single population and a single emergency medical services system, it is one of only a few studies of outcome in basic life support systems.

To determine characteristics of continuing education programs for paramedics in large metropolitan areas, and to make recommendations for changes in the Chicago Emergency Medical Services (EMS) system.

A survey of 95 metropolitan areas from each state in the United States.

EMS medical directors, coordinators, and administrators.

The survey population included 56 respondents. Within this group, 23% were from areas of 1 million people or more, 61% in areas with populations of 100,000 to 1 million and 16% from areas populated by < 100,000 people. Several system types were represented in the survey. In the systems surveyed, 98% mandate didactic continuing education requirements. Clinical continuing education was required by 34% of the systems. Ten systems (18%) awarded continuing education hours for documented in-field experience. This method did not have a specific structure by the majority of users. Both written and skills testing were used by most EMS systems to evaluate paramedic competency. No statistically significant differences (p >0.05) could be found among population subgroups or EMS system types when evaluating the use of these various methods.

EMS systems primarily use didactic sessions to meet their continuing education requirements. Nearly half of the systems requiring clinical continuing education use in-field credit to fulfill these requirements. In-field credit systems are poorly developed to date. This mechanism may be an effective alternative to usual clinical experiences for paramedics and deserves further investigation.