3330 results
Bradycardia Diagnostic and Management Algorithm

CONSIDER ETIOLOGY (not inclusive): 
 - STRUCTURAL: sick sinus, AV block, ischemia,
- TOX: beta-blockers ... calcium channel blockers ... LIFE THREATENING CAUSES ... - Drugs (beta-blockers ... calcium channel blockers
Drugs causing hyperkalemia
 • Impaired release of renin: NSAIDs, Beta blockers, Cyclosporine, tacrolimus, Diabetes, Elderly
 •
: NSAIDs, Beta blockers ... Angiotensin receptor blockers ... Sodium Channel Blockers ... Aldosterone Receptor Blockers ... #medications #causes
Non-lschemic Causes of Cardiogenic Shock:

Beta-Blockers, Calcium Channel Blockers, Digoxin 

Myocarditis 

Cardiomyopathies (sarcoidosis, amyloidosis, Takatsubo, 
hemochromatosis) 

Valvular
Non-lschemic Causes ... Shock: Beta-Blockers ... Calcium Channel Blockers ... #Nonlschemic #Causes
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
diltiazem or B-blockers ... diltiazem or B-blockers ... , use B-blockers ... diltiazem or B-blockers ... , use B-blockers
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... • Aldosterone blockers ... • Aldosterone blockers ... Differential #Diagnosis #Causes
One Pill Kills - Those that can be fatal even after just ingesting a small amount
1)
CALCIUM CHANNEL BLOCKERS ... Cause delayed ... They can also block ... ANTIDEPRESSANTS Block ... production. 6) BETA BLOCKERS
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
Causes of Palpitations ... FLUTTER • HEART BLOCK ... SODIUM CHANNEL BLOCKERS ... #Palpitations #Causes
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
sodium channel blockers ... which cause QRS ... Amantadine Beta Blockers ... Differential #Drugs #Classes
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
AFIutter + variable block ... whether AF is cause ... Tx: Underlying cause ... Beware AV nodal blockers ... Narrow #Irregular #causes
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
surgery • Heart block ... Medications: • Beta blockers ... Calcium channel blockers ... Spondylarthropathies Other causes ... differential #diagnosis #causes