12 results
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
Causes of Palpitations ... SODIUM CHANNEL BLOCKERS ... PHAEOCHROMOCYTOMA • PULMONARY ... #Palpitations #Causes ... Differential #Diagnosis #Cardiology
Beta Blockers - Pharmacology Comparison Table
Metoprolol:
 • Receptors: β1
 • Indications: Rate control of a-fib/a-flutter, Suppression
Beta Blockers - ... Pharmacology Comparison ... Suppression of VT ... #Pharmacology #Comparison ... #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
with caution in pulmonary ... Treat underlying cause ... with caution in pulmonary ... Treat underlying cause ... Treatment #management #cardiology
Clues to Differential Diagnosis of Central Cyanosis: Onset of cyanosis, Clubbing, Secondary erythrocytosis, Auscultation, X-ray, Echocardiography,
Echocardiography, Arterial ... diseases - Pulmonary ... Diagnosis #Central #Cardiology ... #Causes #Table ... #Comparison
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
PALPITATIONS: Medications ... withdrawal of β-blockers ... • Serotonergic drugs ... Pheochromocytoma • Pulmonary ... #Palpitations #Cardiology
A toxidrome is a syndrome (set of symptoms) caused by specific medications or toxins.

There are 5
of symptoms) caused ... by specific medications ... barbituates, “Z-drugs ... Toxicology #Toxidromes #Comparison ... #Table #Anticholinergics
Clinically Significant Cardiovascular Drug-Drug Interactions With OTC Supplements and Herbal Products
Angiotensin-Converting Enzyme Inhibitors (ACEIs)
 • Night-blooming
Cardiovascular Drug-Drug ... vera, Licorice - Causes ... Antiarrhythmic Drugs ... pharmacology #DDI #table ... #cardiology
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
Temp • ACS • Drugs ... Hyperkalemia Pulmonary ... Heart block Medications ... : • Beta blockers ... #cardiology #BRADI
Atrial Fibrillation (A-Fib) Summary

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

Why?
Cardiac:
	• Valvular heart
Noncardiac: • Pulmonary ... disease • Drugs ... Antiarrhythmic drugs ... propafenone with β-blocker ... Absolute warfarin indications
Sedative-Hypnotic Drugs
Benzodiazepines:
 - Bind to specific GABAA receptor subunits at central nervous system (CNS) neuronal synapses
Sedative-Hypnotic Drugs ... Antagonists: - Blocks ... uncertain: - Partial ... #medications #pharmacology ... #comparison #table