Category: M

The evacuation of injured persons from the scene of an emergency by air ambulance, usually a helicopter. Air transport of trauma patients is especially useful in rural locations, to provide definitive care as quickly as possible.  

Fetal inhalation of meconium in utero during episodes of severe fetal hypoxia or with the first few breaths after birth. Symptoms and signs, which occur to varying degrees, include respiratory distress, tachypnea, rales, and wheezes throughout the lung fields. Chest x-ray examination may show areas of increased density from the aspirated meconium, evidence of chemical…

The means by which a drug exerts its effects on cells or tissues. It may have specific binding sites, receptor activation, enzymatic activity, or solubility.  

The manner in which a traumatic event occurred (e.g., fall from a height, ground-level fall, high- or low-speed motor vehicle accident, ejection from a vehicle, vehicle rollover). The MOI is used to estimate the forces involved in trauma and, thus, the potential severity for wounding, fractures, and internal organ damage that a patient may suffer…

The science of force and matter.  

The administration of chest compressions to a victim of cardiac arrest with the plunger that alternately compresses the chest and allows it to return to its original position.  

External opening of the urethra.  

Space beneath superior turbinate or concha of the nose.  

Space beneath middle turbinate or concha of the nose.  

Space beneath inferior turbinate or concha of the nose.