• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/56

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

56 Cards in this Set

  • Front
  • Back

Signal pathway in the heart

SA (pace maker/ fastest rate of depo)


AV (Slows signal which allows atria to contract before ventricle)


Bundle of his


Purkinji system


Ventricles contract

Class 1A-C Sodium Channel blockers

Block Voltage sensitive Na channels on Ventricular muscles.


These show high likely degree of blockage of cells that are discharging at a high rate.

Class 1A

Shows moderate slowing of PHASE 0 depolarization on cardiac myocytes


These inhibit K channels, slow phase 3 and increase ERP duration


**also has anti cholinergic activity


*****THESE SLOW PHASE 0*****

Phase 0

The stage of rapid depolarization

Class 4 arrhythmia Drugs


Ca Channel blockers

Dilitiazem-(less AE than Verapamil)


Verapamil


MOA- blocks movement of Ca into the heart and blood vessels in muscle cells


AE- Peripheral Edema, Dizzy flushing, HA, Hypotension

Which of the Ca channel blockers causes the least amount of AE?


Verapamil or Dilitiazem?

Dilitiazem


AE- Peri Edema, DIZZY flushing, HA, HypoT

InoTropic glycosides


(DIGIGTALIS)

Digitalis


MOA- inhibits Na/K ATPase on myocardial cells


AE- YELLOWED VISION


Caution when taking it with Ca channel blockers

Statins

* for dislipidemia


MOA- inhibits cholesterol Biosynthesis in the liver. Increases LDL receptors on liver, to increase LDL uptake from the blood to DECREASE LDL


AE- increased # liver enzymes, myopathy,rhabdomyolysis (muscles break down and peed out=Brown Urine)

Which drugs could cause a pt to have Brown Pee (rhabdomyolosis)?

Statins

Niacin

MOA- inhibits Lipolysis in Adipose tissue to reduce free fatty acids. Liver uses FFA to stun triglyceride VDL and LDL levels

Fibrates

Dislipidemia


-Gemfibrozil


- Fenofibrate


Binds to PPAR to increase lipase production which removes TG from from Blood stream. Also increases APO A1 and A2 to increase HDL

What do Fibrates do ?

THEY INCREASE HDL levels.

Bile Acid Binding Resin

Colesevelam


Colestipol


Cholestyramine


MOA- Bind to Bile Salts, increasing their excretion! This drives the productions of bile salts from Cholesterol. Increase LDL Uptake from Liver


AE- not absorbed, totally excreted in feces. GI

Cholesterol Absorption Inhibitor

Ezetimibe


Reduces the amount of Cholestrol that moves from the intestines. Liver reduces hepatic cholesterol stores, increase clearance of cholesterol.


decreases LDL, Triglycerides increases HDL

Quinidine


Disopyramide

Inhib Na channels on myocytes to depress AP


Inhibits K channels which slows phase 3 and increases ERP


ADVERSE EFF-


Tachy, dry mouth, urinary retention.


DISOPYRAMIDE has the most anti cholinergic effect

Sedatives, Hypnotics

H

Alzheimer’s drugs

AChesterase inhibitors


NMDA Antagonists


Biological

Alz


AChesterase INhibitors

RIvastigmine


Doneprezil

ALZ


NMDA Antagonists

Memantine (Nameda)


MOA- reduces Ca influx


2nd choice behind ACh

ALZ


Biological

Aducanumab (Aduhelm)


MOA- Amyloid Beta direct antibody

Which one of these Alz drugs uses direct acting antibodies against amyloid Beta

A. Rivastigmine


B. Aducanumab


C. Memantine


D. DOneprezil


Remember


Doneprezil/ Rivastigmine are ACH inhib


Memantine is an NMDA antag


Aducanumab uses antibodies

Parkinson’s disease Classes

Dopamine precursor


Dopamine Decarboxylase inhib


MAO inhibitors


Catechol-O- Methyltran inhib


Dopamine Antag


Anti-Musc Agent

Parkinson’s


Dopamine Precursor

Levodopa


-gets through BBB and gets metabolized to Dopamine

Parkinson’s


Dopa Decarboxylase inhibitors

Carbidopa


-Reduces Peri metabolism of Levodopa. Increases the amount of dopamine to the brain


Sx= mydriasis, tachycardia, atrial fibrillation

Parkinson’s


MAO inhibitors

Selegiline (edlepryl)


-reduces Dopamine in the Brain

Lidocaine

Modest inhibition of Na channel on myocyte to depress AP


Adverse reactions- NYSTAGMUS @ Toxic Levels

Park


Catechol-O- Meth transferase inh

Group

Parkinson’s


Dopamine Agonists

Bromocriptine (Parlodel)


Ropinirole ( Requipt)


MOA- binds/act dopamine receptors and activates them

Parkinson’s


Anti-muscarinic agent (Atropine)

Benzotropine (cogentic)


Procyclidine (Kemadrin)


MOA- Blocks cholinergic Muscarinic receptors= Less ACh


*improves rigidity and tremors of Parkinson’s*

Which one of these drugs is used to remove the rigidity of Parkinson’s?

A. Bromocriptine


B. Seligine


C. Levodopa


D. Procycline



**Procycline and Benzotropine are anti Muscarinic agents and are used to relieve rigidity and tremors of Parkinson’s**

Multiple Sclerosis Drugs

Biological


Immunosuppressive Agent


Immunomodular Medications

Multiple Sclerosis


Interferon Monoclonal antibody

Diminishes Inflammatory response


Alters Lymphocyte migration resulting in fewer Lymphocytes in CNS

MS


Immunosuppressive Agent

Fingolimod (Gilenya)


Alters Lympho migration= fewer Lympho in CNS


***MACULAR EDEMA***

MS


Immunomodular Medication

Glatiramer Acetate (Capoxone)


MOA- Synthetic Polypeptide that resembles myelin protein and acts as a decoy for T-Cell attack

Anti Seizure medications


-antiepileptic agents

Vigabatrin (Sabril)


Phenytoin (Dilantin)


Lomatrigine (Lamictal)


Topiramate ( Topamax)



Side effects


Sedation, WEight GAIN


AR= Peripheral VF loss , Diplopia, blurry vision

Anti- DEPRESSANTS

* tricyclic anti- depressants


* MAO INHIBITORS


* SELECTIVE SERATONIN reuptake inhibitors


* Serotonin-NorEpi Reuptake inhibitors


*Atypical Antidepressants

Flecainide


Propane one

MAX INHIB of Na channels


PROPAFENONE has B blocking activity


ADV EFF- Blurry vision, dizzy, nausea

Tricyclic antidepressants

Imipramine (Tofrantil)


MOA- Serotonin/NorEpi reuptake inhibitors by blocking SERT/ NET


Anti-muscarinic (Mydriasis)-Angle Closure Glaucoma risk.

AntiDepressants


MAO inhibitors

Isocarboxazid (Marplan)


MOA- inhibits the enzymes MAO=MORE CATECHOLAMINES AVAILABLE)


**MUST AVOID TYRAMINE RICH FOODS = could lead to hypertensive crisis **

Antidepressants


SSRI

Fluoxetine (Prozac)


-shuts down Transporter that returns seratonin to the pre-synaptic neuron (leaves more Seratonin in system)


-can lead to Serotonin Syndrome

Antidepressants


Ser-Nor reup inhibitor

Duloxetine (cymbalta)

Antidepressants


Atypical Antidepressants

Buproprion (Wellbutrin)


MOA-NorEpi-Dopamine reup inhib


Sexual dysfunction l

Antipsychotic agents

Haoperidol (Haldol) 1st G


Clozaprine (Cloralil) 2nd G


Aripiprazole (Abilify) 3rd gen


Rispiprazole ( Risperdal) 3rd G

Substance Abuse disorder

Opioid Receptor Antagonist

Opioid Receptor Antagonist

Naltrexone (Vivitrol)-


Methadone (Methadoes)


Acomprosate (Compral)


Disuliram (Antabuse)


-reduces urges


**irreversibly inhibits aldehyde dehydrogenase **


AE can cause nausea and vomiting when person drinks alcohol

Sedatives and hypnotics

Barbiturates


Benzodiazepines


Non-benzodiazepines


NMDA antagonists

Sedatives/hypnotics


Barbituates

Phenobarbital (Solfoton)


**GABA receptor Agonists**


-anesthetic anticonvulsants


Anxiety Insomnia


SA= Tolerance,dependance lethal overdoes SEVER WITHDRAWAL

Class 2 Beta ADR receptor blockers


(OLOL)

Metoprolol


Atenolol


MOA- blocks B receptors which decrease Phase 4 Slope in AV/SA thus decreases HR

Hypnotics


Benzodiazepines

Diazepam (Valium)


Alprazolam (Xanax)


Increases affinity for GABA binding


Tx=insomnia, anxiety, panic attacks, seizures


SA= Hangover, constipation, mild withdrawal eff

Hypnotics


Non-Benzodiazepines

Zolpidem (ambien)


Eszopiclone (Lunesta)


MOA- binds to GABA receptors


For Insomnia


SA- short term memory loss, unusual sleeping behavior

Hypnotics


NMDA antagonists

Ketamine


Glutamate release in brain to block NMDA receptors on inhib neurons


-anesthetic, analgesic, anti depressant


Less side effects than other anesthetics because it does not reduce respiration or HR

True or False PROPAFENONE has B Blocking effects?

True Propafenone is involved with max inhib Na on myocytes

Which of these drugs has the most inhib of Na channels?

A. Lidocaine


B. Quinidine


C. Disopyramide


D. Propafenone



remember Disopyramide and Quinidine are moderate Na inhib and Lidocaine is a modest Na inhib while PROPAFENONE is a Max inhib

Which drug can cause Nystagmus when at toxic levels?

Lidocaine

Potassium channel blocker


“DARONEs”

Amidarone


Dronedarone


MOA-Block the flow of k out of myocyte. Prolongs Phase 3 depolarization Without altering Phase 0


Adverse Eff- Bradycardia Blindness, corneal deposits

The Darone drugs are in what category and what is there end effect?

The Darone drugs (Amidarone, Dronedarone) are K channel blockers.


They prolong phase 3 depolarization while not effecting phase 0