CV Herbs Flashcards
Rauwolfia serpentina
1.) Actions & Indications
(Snake root) containing indole alkaloids (Reserpine)
- ) Actions & Indications
i. ) Strong Hypotensive
a. ) HTN, Pre-eclampsia
ii. ) Antiarrhythmic
iii. ) Antipsychotic (depletes catecholamine stores)
iv. ) Vasodilation (Raynaud’s)
Rauwolfia serpentina
2a.) Contraindications
2a. ) Contraindications
i. ) Depression (b/c it depletes 5-HT)
ii. ) Parkinson’s (bc/ it depletes Dopamine)
iii. ) Hyperprolactinemia (b/c low dopamine levels sends a positive feedback mechanism to increase prolactin)
iv. ) Ulcerative colitis
v. ) Pregnancy
Rauwolfia serpentina
2b. ) Interactions
i. ) MAOI, TCAs, SSRI - Rauwolfia counteracts these medications
ii. ) Cardiac Glycosides (Increases the risk of bradycardia, angina, arrhythmias)
2b. ) Interactions
i. ) MAOI, TCAs, SSRI - Rauwolfia counteracts these medications
ii. ) Cardiac Glycosides (Increases the risk of bradycardia, angina, arrhythmias)
Rauwolfia serpentina
SE & Tox
SE
i. ) Nasal Congestion
ii. ) Transient Loose Stool
iii. ) Sodium retention resulting in edema
TOX
i. ) Nightmares
ii. ) Peptic ulcers & Hyperchlorhydria
iii. ) Bradycardia
iv. ) Depression & Parkinsonism
Olea europea
1.) Actions & Indications
i. ) Hypotensive
ii. ) Antiviral
iii. ) Antioxidant
iv. ) Bitter Digestive Stimulant
Viscum flavescens (American Mistletoe)
- ) Actions & Indications
i. ) Smooth muscle stimulant
a. ) to increase blood pressure
b. ) Increase intestinal contractions
ii. ) Abortifacient
Viscum flavescens (CI)
C: pregnancy/lactation
Viscum flavescens (SE)
i. ) Nausea
ii. ) Hypertension
iii. ) Hypovolemic shock
iv. ) Cardiovascular collapse (bradycardia, hypotension)
Digitalis purpurea
(Foxglove)
1.) Actions & Indications
i. ) Cardiac Glycoside (Positive Inotrope, Negative Chronotrope)
a. ) CHF, arrhythmias (but not ventricular arrhythmias)
ii. ) Vasoconstriction
Digitalis purpurea
(Foxglove)
CI
i. ) Ventricular arrhythmias
ii. ) Hypokalemia, Hypomagnesemia, Hypo/hypercalcemia
iii. ) Kidney failure
iv. ) Pregnancy/Lactation
Digitalis purpurea
Interactions
i. ) Potassium-depleting agents may potentiate toxicity
a. ) Corticosteroids
b. ) Diuretics
c. ) Glycyrrhiza glabra, Equisetum
d. ) Other cardiac glycosides (Digoxin)
Digitalis purpurea
SE & Tox
3a. ) Side Effects
i. ) Yellow/Green halo in vision
ii. ) Bradycardia (negative chronotrope)
iii. ) Gynecomastia
3b. )Toxicity
i. ) Narrow therapeutic window
ii. ) Recirculates in enterohepatic cycle
iii. ) Toxicity may be lethal (Antidote = Potassium & digoxin antibodies)
Ephedra sinica
1.) Actions & Indications
Ephedra sinica (Ma Huang) contains ephedrine (alkaloid) 1.) Actions & Indications i.) Alpha Adrenergic Agonist a.) Secretolytic b.) Vasoconstrictor c.) Urinary incontinence ii.) Mild Beta-Adrenergic Agonist a.) Bronchodilator (sinusitis, asthma, COPD) b.) Antitussive iii.) Mast cell stabilizer (Allergic rhinitis) iv.) Hypertensive v.) Thermogenic a.) Previously used for weight loss vi.) Circulatory stimulant
Ephedra sinica (CI)
i. ) HTN, CAD
ii. ) BPH, Glaucoma (r/t anticholinergic-type effect)
iii. ) Pregnancy/Lactation
iv. ) High Doses
Ephedra sinica (SE)
i. ) Increased Alertness, Nervousness, Insomnia
ii. ) Nausea, Vomiting
iii. ) Diaphoresis
iv. ) Urinary retention
v. ) Tachycardia, Palpitations
vi. ) Seizures