10 results
Antiplatelet Drugs and their Actions

- Amy Chung, MD, MSc
@AmyChung

#Antiplatelet #Medications #Pharmacology #Pathophysiology #Drugs #Agents #COX #GIIbIIIa
Antiplatelet Drugs ... Amy Chung, MD, MSc ... #Antiplatelet #Medications ... #Pharmacology # ... Pathophysiology
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
Mechanisms of Drug-Induced ... (NSAIDs, Beta-Blockers ... differential #diagnosis #pathophysiology ... #pharmacology # ... potassium #medications
Dihydropyridine Calcium Channel Blockers

Mechanism of Action:  L-Type calcium channel blockade - Inhibits the influx of
Calcium Channel Blockers ... vasodilation Indications ... : Angina (with rate ... raynauds phenomenon, pulmonary ... #CCB #pharmacology
Atrial Fibrillation Overview

Symptoms:
Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

1. Why?
Cardiac:
• Valvular heart disease
•
Palpitations, light-headedness ... Noncardiac: • Pulmonary ... disease • Drugs ... Rate Control • ... β-Blocker • CCB
Class III Antiarrhythmics - Potassium Channel Blockers - Indications and Side Effects
Amiodarone
 • Suppression of VT
Potassium Channel Blockers ... - Indications and ... a-fib/a-flutter • Rate ... a-flutter (when other drugs ... #pharmacology #
Neurological Side Effects of Antipsychotic Drugs
Acute dystonia - Spasm of muscles of tongue, face, neck, back
variable tremor, mask ... reduction; change medication ... tremor (may be a late ... #Medications #SideEffects ... #pharmacology #
Atrial Fibrillation (A-Fib) Summary

Symptoms:
• Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

Why?
Cardiac:
	• Valvular heart
Palpitations, light-headedness ... Noncardiac: • Pulmonary ... disease • Drugs ... Antiarrhythmic drugs ... propafenone with β-blocker
Digoxin Pharmacology and Pathophysiology
1) Na/K ATPase Pump - Digoxin works by directly binding to and inhibiting
Digoxin Pharmacology ... and Pathophysiology ... - When digoxin blocks ... Decreased heart rate ... #Pathophysiology
Drugs with Actions on Bronchial Smooth Muscle
Bronchodilation is promoted by cAMP. Intracellular levels of cAMP can
Drugs with Actions ... which slow the rate ... #SmoothMuscle #Pathophysiology ... #Pharmacology # ... Pulmonary #Targets
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
testing Heart Rate ... PALPITATIONS: Medications ... withdrawal of β-blockers ... • Serotonergic drugs ... Pheochromocytoma • Pulmonary