Calcium Channel Blockers Flashcards

1
Q

Calcium Channel Blockers Drug Name

A
Amlodipine
Felodipine
Nifedipine
Diltiazem
Verapamil
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2
Q

Calcium Channel Blockers Therapeutic Actions

A
  • Inhibits the movement of calcium ions across the cell membranes of cardiac and arterial muscle, depressing the impulse and leading to slowed conduction, decreased myocardial contractibility, and relaxing and dilating the arteries
  • Decrease BP, cardiac work load, and myocardial oxygen consumption
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3
Q

Calcium Channel Blockers Indications

A
  • HTN
  • Prinzmetals angina
  • Arrhythmias
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4
Q

Calcium Channel Blockers Contraindications and Cautions

A
Contraindication:
•	Allergy 
•	Renal or hepatic dysfunction
•	Heart block or sick sinus syndrome 
•	CHF
•	Pregnancy and lactation
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5
Q

Calcium Channel Blockers DDI and DFI

A

DDI:
• Cyclosporine and diltiazem
• Digoxin and Veramil
• Vary with each drug

DFI:
• Grapefruit

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6
Q

Calcium Channel Blockers Adverse Effects

A
•	Related to effects on cardiac output
-	CNS
-	CV
•	Other 
-	GI 
-	Skin; flushing or rash
•	Hypotension 
•	Cardiac arrhythmias
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7
Q

Calcium Channel Blockers:

Assessment

A

Hx: allergy, heart block, sick sinus syndrome, heart failure, liver and kidney impairment
Physical: vital signs, weight, skin, respiratory, cardiac, neuro, abdominal, ECG, pain (baseline)
Labs: renal and liver function tests

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8
Q

Calcium Channel Blockers:

Diagnosis

A
  • Decreased cardiac output
  • Risk for injury
  • Ineffective tissue perfusion
  • Deficient knowledge
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9
Q

Calcium Channel Blockers:

Implementation

A
  • Monitor the patients blood pressure, cardiac rhythm, and cardiac output
  • Comfort measures including environmental
  • Safety precautions
  • Provide thorough patient teaching
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10
Q

Calcium Channel Blockers:

Evaluation

A

Response to the drug (weight, electrolytes, blood pressure)

Adverse effects (CNS, CV, GI skin rashing)

Effectiveness of comfort measures Compliance with the regimen

Effectiveness of the teaching plan

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