DRUGS FOR ANGINA PECTORIS Flashcards
2 therapeutic strategies in Angina
- Increasing O2 delivery (vasodilation)
2. Reducing O2 requirement (decrease HR)
T or F. Nitrates are more of a venodilator than an arteriolar vasodilator.
True!
Involved in Monday disease
Nitrate poisoning
Pathopx:
Nitrates release NO > meningeal blood vessel vasodilation > increase in ICP > headache
Cyanide affects what complex in ETC?
Complex IV (Cytochrome oxidase)
Antidote for Cyanide poisoning is Lilly Cyanide kit which contains:
AN - NT
Amyl Nitrate - inhaled
Sodium Nitrate - IV
Sodium Thiosulfate - IV
Combination of these drugs causes VERY DANGEROUS HYPOTENSION
Nitrate + Sildenafil (Phosphodiesterase 5)
Side effect of Nitrates that is treated with low dose Methylene blue
Methemoglobinemia
Nitrate used in CYANIDE POISONING
Amyl nitrite
DOC for PRINZMETAL ANGINA
DILTIAZEM
Has pro-arrhythmogenic effect
Dihydropyridine CCBs (-dipines)
Inhibits beta oxidation of fatty acids by inhibiting 3-ketoacyl-CoA thiolase
Trimetazidine
META - beta
*interacts with MAOi
Reduces late, prolonged Na current in myocardial cells
RANOLAZINE
ra(Na)lazine
Causes QT prolongation
Inhibits If Na current in SA node > decreasing HR
Ivabradine