Normal cardiac output in adults
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4-8 L/min
Prolonged ischemia that is not immediately reversible. Umbrella term for unstable
angina and myocardial infarctions.
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Acute Coronary Syndrome
Failure to capture
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Electrical stimulus sent but there is no mechanical action, no
heart beat following the pacer spike
First drug of choice for BP unresponsive to IV fluids
Cardiac stimulant, increased O2 demand
Peripheral vasoconstriction
Increased BP, CVP, PAWP, SVR
Watch for: dysrhythmias
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Norepinephrine
How do we treat cardiogenic shock?
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1. Nitroglycerin
2. Dobutamine (Use with caution)
3. Gentle IV fluids, if necessary
4. IABP (Intraaortic balloon pump)
Never give sponge fluids!
,A nurse is assessing an electrocardiogram rhythm strip. The P waves and QRS
complexes are regular. The PR interval is 0.16 second, and QRS complexes measure
0.06 second. The overall heart rate is 64 beats per minute. The nurse assesses the
cardiac rhythm as:
A. Normal sinus rhythm
B. Sinus bradycardia
C. Atrial fibrillation
D. First-degree heart block.
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A (This rhythm is NSR. The P waves and QRS complexes are regular. The PR
interval is less than 0.2 seconds. The QRS complex is less than 0.12 seconds.
The heart rate is between 60-100 BPM.)
True or false: Lactated Ringer's solution can be given to liver failure patients.
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False
What is the benzodiazepine of choice in the ICU?
What are the nursing considerations?
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Midazolam (Versed)
The drug can accumulate in the spine if you are sedated for a long time.
You can build up tolerance and withdrawal. It causes anterograde amnesia
, (Unable to make new memories)
Watch for respiratory depression!
How is obstructive shock treated?
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Surgery
Force of ventricular contraction/how well the heart is pumping
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Contractility
Epinephrine is used to treat cardiac arrest and status asthmaticus because of which of
the following actions?
A. Increased speed of conduction and gluconeogenesis
B. Bronchodilation and increased heart rate, contractility, and conduction
C. Increased vasodilation and enhanced myocardial contractility
D. Bronchoconstriction and increased heart rate
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4-8 L/min
Prolonged ischemia that is not immediately reversible. Umbrella term for unstable
angina and myocardial infarctions.
Give this one a try later!
Acute Coronary Syndrome
Failure to capture
,Give this one a try later!
Electrical stimulus sent but there is no mechanical action, no
heart beat following the pacer spike
First drug of choice for BP unresponsive to IV fluids
Cardiac stimulant, increased O2 demand
Peripheral vasoconstriction
Increased BP, CVP, PAWP, SVR
Watch for: dysrhythmias
Give this one a try later!
Norepinephrine
How do we treat cardiogenic shock?
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1. Nitroglycerin
2. Dobutamine (Use with caution)
3. Gentle IV fluids, if necessary
4. IABP (Intraaortic balloon pump)
Never give sponge fluids!
,A nurse is assessing an electrocardiogram rhythm strip. The P waves and QRS
complexes are regular. The PR interval is 0.16 second, and QRS complexes measure
0.06 second. The overall heart rate is 64 beats per minute. The nurse assesses the
cardiac rhythm as:
A. Normal sinus rhythm
B. Sinus bradycardia
C. Atrial fibrillation
D. First-degree heart block.
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A (This rhythm is NSR. The P waves and QRS complexes are regular. The PR
interval is less than 0.2 seconds. The QRS complex is less than 0.12 seconds.
The heart rate is between 60-100 BPM.)
True or false: Lactated Ringer's solution can be given to liver failure patients.
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False
What is the benzodiazepine of choice in the ICU?
What are the nursing considerations?
Give this one a try later!
Midazolam (Versed)
The drug can accumulate in the spine if you are sedated for a long time.
You can build up tolerance and withdrawal. It causes anterograde amnesia
, (Unable to make new memories)
Watch for respiratory depression!
How is obstructive shock treated?
Give this one a try later!
Surgery
Force of ventricular contraction/how well the heart is pumping
Give this one a try later!
Contractility
Epinephrine is used to treat cardiac arrest and status asthmaticus because of which of
the following actions?
A. Increased speed of conduction and gluconeogenesis
B. Bronchodilation and increased heart rate, contractility, and conduction
C. Increased vasodilation and enhanced myocardial contractility
D. Bronchoconstriction and increased heart rate
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