HF Flashcards
HF + fluid retention first line drug?
first Loop D. - Furosemide then ACEi or ARB
HF + no fluid retention TOC?
First ARNi + ARB
then beta-blockers
DOC emergency HTN pregnancy
First Labetalol then Methyl-dopa then Hydralazine
If after ARNi and ARB, Beta blockers also fail in HF, what’s the next step?
Mineralocorticoid Receptor blocker - Spironolactone (alternate)
SGLT2i - Gliflozins - antidiabetic
Vericiguat - Guanyl cyclase
Last choice drugs in HF?
Ivabradine (HR>70)
Digoxin (symptomatic)
Both used for persistent symptoms
Best drugs for chronic HF?
ARNI
Which anti-diabetic drug is used for HF?
Gliflozins
Drugs that relieve congestion in HF?
Diuretics (loop) - Furosemide
Natriuretic - Nesiritide
Drugs that Increase pumping action in HF pts?
Dopamine and Dobutamine
Ionotropic agents
ARNI is?
ARB + Neprilysin inhibitor
(it’s an enzyme that breaks ANP AND BNP, but if they don’t break ANP BNP increase which show diuretic effect)
Drugs that inhibit remodeling and increase survival in HF pts?
Beta blockers
ARB
ACEi
Pot sparing diuretics/aldosterone antagonist
SGLT-2 inhibitors - Gliflozin
Hydralazine + Nitrate
Ivabradine
Action of Hydralazine + Nitrate?
Hydralazine is Atrial dilator
Nitrate is Venous dilator
Ivabradine specifications and use?
Causes bradycardia (use in HR>70) after beta blocker use
in HF pts
Which drug uses funny channel inhibition for its function?
Ivabradine
Luminous phenomenon is S/E of which drug?
Ivabradine
–pril which drugs?
ACEi
Example of ARBs used in ARNI-HF drug therapy?
Valsartan + Sacubitril
beta-1 agonist used in shock + oliguria?
Dopamine
beta-1 agonist used in acute pump failure?
Dobutamine
beta-1 agonist used in cardiogenic shock?
Nor-adrenaline
DOC digitalis drugs toxicity? (Digoxin and Digitoxin)
Lidocaine/Lignocaine
DOC severe digitalis drugs toxicity?
Digibind
KCl last option
Which drugs are indicated to be used in severe and refractory CHF?
PDE-3 inhibitors = increase C-AMP = dilates blood vessels (ionodilators)
eg:
Amrinone
Milrinone
Levosimendan - Ca sensitizer
Which PDE inhibitor drug used in CHF is Ca sensitizer?
Levosimendan
Which is the newer drug for CHF?
Omecamtiv - myosin activator
Digoxin MOA?
Na-K-ATPase inhibitor (increase contractility - positive ionotrope) + Vago-mimetic (decrease HR - negative chronotropic)
Why is Digoxin used for CHF?
Because it increases contractility and its positive ionotrope
Why is Digoxin used for SVT?
Because it decreases HR and is negative chronotrope
3 drugs for SVT?
Beta blocker
CCB
Digoxin
SVT + HF DOC?
Digoxin
Which site in myocardial cell digoxin bind to?
K (less K means more digoxin binding)
Highest risk caused by Digoxin?
Arrythmia (MC ventricular)
Yellow vision - Xanthopsia
Which arrythmia is NOT caused by Digoxin?
Atrial flutter
Which arrythmia caused by digoxin is most characteristic?
SVT with AV block
Name drugs that increase digitalis toxicity?
Verapamil
Diltiazem
Quinidine
Name drugs that decrease digitalis toxicity?
Antacids
Sucralfate
DOC WPW syndrome?
Flecainide/Procainamide
DOC HOCM (hypertropic obstructive cardiomyopathy)?
Negative ionotrops = beta blockers
C/I Digoxin
WPW Syndrome
Hypokalemia - will cause digoxin toxicity
HOCM
Partial AV block
MI
high output heart failure
Which drug group is not safe to be given with Digoxin?
Diuretics
PSVT DOC
Adenosine
DOC Sinus bradycardia, mobitz type 1and first degree heart block
Atropine
TOC mobitz type 2 and complete heart block?
Pacemaker
Best anticonvulsant in Eclampsia
Mg
Best antihypertesive in Eclampsia
Labetalol
First sign of Mg toxicity?
Loss of deep tendon reflex
DOC Mg and Ca toxicity
Calcium gluconate
10-10-10 rule
Drug used for stress ECHO
Dobutamine
DOC classical angina
Beta blockers
Best antihypertesive in IHD
Beta-blockers
Best drug for prinzmetal vasospastic angina and peripheral vascular disease?
CCBs (dipines) - vasodilation needed
Which drugs are good in angina + diabetes?
FS Oxidase inhibitor - Ranolazine & Trimetazidine
Better Hb1Ac control
DOC acute IHD attack
Nitroglycerine
Drugs with high first pass, metabolism
Nitrates
Propranolol
Lignocaine
Nitrates given by sublingual route are?
GTN and IDN (Sorbitrate - jeeb me rakho)
In which spasms/colic patients Nitrates are not effective?
Renal
Monday headaches address caused by?
Nitrates tolerance holidays