MedicASK Recent Answers
Which blood pressure is the baseline for the one-third drop after nitroglycerin?
The Cardiac Ischemia Medical Directive contraindicates further nitroglycerin if systolic blood pressure drops by one-third or more of its initial value. If several blood pressures were obtained before treatment, which reading should be used?
Allergic reactions: life-threatening symptoms versus counting body systems
Does involvement of two body systems automatically require epinephrine for an allergic reaction? How should paramedics assess symptoms such as hives, angioedema and a single episode of vomiting?
Rhythm analysis and defibrillation during transport
During transport with ongoing cardiac arrest, should paramedics continue rhythm checks every two minutes and defibrillate when indicated? How should motion artifact and the need to stop the ambulance affect that decision?
DSED after ROSC and recurrent ventricular fibrillation
If a patient achieves return of spontaneous circulation (ROSC) after three shocks, then rearrests in ventricular fibrillation, should we immediately use double sequential external defibrillation (DSED), or start a new sequence of conventional shocks?
Can an PCP without AIV monitor a fluid bolus?
If a non-AIV PCP crew requests backup for IV fluid therapy, can an AIV PCP or ACP start an IV and then allow the non-AIV PCP crew to manage the fluid therapy and transport the patient on their own?
