Juliana has a rapid heart rate. She needs to call 911 because she is suffering from tachycardia which increases the chances of stroke and cardiac arrest.
What do you mean by Heart rate?
The heart rate may be defined as the number of times the heart pulsates within a specific time period, usually in a minute.
Tachycardia is a situation of increased heart rate due to any reason such as stress, working load, etc. It sometimes leads to stroke and cardiac arrest.
Therefore, Juliana has a rapid heart rate. She needs to call 911 because she is suffering from tachycardia which increases the chances of stroke and cardiac arrest.
To learn more about the Heart rate, refer to the link:
https://brainly.com/question/11245663
#SPJ2
