Answers
A 44-year-old man reports dizziness and lightheadness. His BP is 88/26 mm Hg,
his heart rate is 190 beats per minute and weak. His skin is cool clammy and pale.
Why is his BP low?
decreased ventricular timing
A 44-year-old man reports dizziness and lightheadness. His BP is 88/26 mm Hg,
his heart rate is 190 beats per minute and weak. His skin is cool clammy and pale.
Why is his BP low?
decreased ventricular timing
Switching compressors during two-rescuer CPR:
should occur every two minutes throughout the arrest
Switching compressors during two-rescuer CPR:
should occur every two minutes throughout the arrest
Stable angina
chest pain that occurs when a person is active or under severe stress
Stable angina
chest pain that occurs when a person is active or under severe stress
Unstable angina
chest pain that occurs while a person is at rest and not exerting himself
Unstable angina
chest pain that occurs while a person is at rest and not exerting himself
What occurs during recoil of the chest inbetween compressions
a vacuum is created and blood returns to the heart
What occurs during recoil of the chest inbetween compressions
a vacuum is created and blood returns to the heart
A group of symptoms caused by myocardial ischemia; includes angina and
myocardial infarction
acute coronary syndrome
A group of symptoms caused by myocardial ischemia; includes angina and
myocardial infarction
acute coronary syndrome
A heart attack; death of the heart muscle following obstruction of blood flow to it;
in this context the attack is "new" or "happening right now"
acute myocardial infarction (AMI)
A heart attack; death of the heart muscle following obstruction of blood flow to it;
in this context the attack is "new" or "happening right now"
acute myocardial infarction (AMI)
Transient (short-lived) chest discomfort caused by partial or temporary blockage
of blood flow to the heart muscle; also called angina
angina pectoris
Transient (short-lived) chest discomfort caused by partial or temporary blockage
of blood flow to the heart muscle; also called angina
, angina pectoris
a weakness in the wall of the aorta that makes it susceptible to rupture
aortic aneurism
a weakness in the wall of the aorta that makes it susceptible to rupture
aortic aneurism
the one way valve that lies between the left ventricle and the aorta keeps blood
from flowing back into the left ventricle after the left ventricle ejects its blood into
the aorta; one of the four heart valves
aortic valve
the one way valve that lies between the left ventricle and the aorta keeps blood
from flowing back into the left ventricle after the left ventricle ejects its blood into
the aorta; one of the four heart valves
aortic valve
a tracing on an ECG that is the result of interference, such as patient movement,
rather than the heart's electrical activity
artifact
a tracing on an ECG that is the result of interference, such as patient movement,
rather than the heart's electrical activity
artifact
the complete absence of all heart electrical activity
asystole
the complete absence of all heart electrical activity
asystole
the ability of cardiac muscle cells to contract without stimulation from the
nervous system
automatically
the ability of cardiac muscle cells to contract without stimulation from the
nervous system
automatically
when the heart fails to generate effective and detectable blood flow; pulses are
not palpable, even if muscular and electrical activity continues in the heart
cardiac arrest
when the heart fails to generate effective and detectable blood flow; pulses are
not palpable, even if muscular and electrical activity continues in the heart
cardiac arrest
a disorder in which the hear loses part of its ability to effectively pump blood,
usually as a result of damage to the heart muscle and usually resulting in a
backup of fluid into the lungs
congestive heart failure
a disorder in which the hear loses part of its ability to effectively pump blood,
usually as a result of damage to the heart muscle and usually resulting in a
backup of fluid into the lungs
congestive heart failure
the blood vessels that carry blood and nutrients to the heart muscle
coronary arteries
the blood vessels that carry blood and nutrients to the heart muscle