62 results
Bradycardia Diagnostic and Management Algorithm

CONSIDER ETIOLOGY (not inclusive): 
 - STRUCTURAL: sick sinus, AV block, ischemia,
Bradycardia Diagnostic ... and Management Algorithm ... Hypothyroidism - TOX: beta-blockers ... LIFE THREATENING CAUSES ... TREATMENT - Drugs (beta-blockers
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Dissociation Causes ... • Infectious Causes ... Non-Infectious Causes ... : Beta-blockers, ... differential #diagnosis #causes
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
Medications: • Beta ... blockers • Calcium ... channel blockers ... Spondylarthropathies Other causes ... differential #diagnosis #causes
Vasopressors and Inotropes - Pharmacology Summary
Vasopressors
Phenylephrine (alpha-1)
 • Increases BP, SVR
 • Risk of reflex bradycardia
Risk of reflex bradycardia ... , beta1 > beta2) ... > beta2 / alpha1 ... • Higher doses cause ... cAMP/cGMP • Causes
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... Bradycardia - Note ... Non-infectious: ß-blockers ... #relative #bradycardia ... #Causes #differential
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Classification: CLASS ... : • MOA: Block ... 2 - Beta Blockers ... alpha & beta adrenergic ... Classification #Classes
Intrapartum Abnormal Fetal HR Tracing - Causes of Bradycardia and Tachycardia - Differential Diagnosis Algorithm
Abnormal Variability:
Fetal HR Tracing - Causes ... of Bradycardia ... Differential Diagnosis Algorithm ... deceleration Bradycardia ... #Causes #Obstetrics
Drugs causing hyperkalemia
 • Impaired release of renin: NSAIDs, Beta blockers, Cyclosporine, tacrolimus, Diabetes, Elderly
 •
renin: NSAIDs, Beta ... blockers, Cyclosporine ... Angiotensin receptor blockers ... Sodium Channel Blockers ... #medications #causes
Pharmacologic Treatment of Hypertensive Emergencies in Pregnancy
Drug - Dose range - Onset/oeak/duration - Side effects
 -
1st-degree heart block ... , maternal bradycardia ... persistent fetal beta-blockade ... , tachycardia, nausea ... - Urapidil - Nausea
Non-lschemic Causes of Cardiogenic Shock:

Beta-Blockers, Calcium Channel Blockers, Digoxin 

Myocarditis 

Cardiomyopathies (sarcoidosis, amyloidosis, Takatsubo, 
hemochromatosis) 

Valvular
Non-lschemic Causes ... Cardiogenic Shock: Beta-Blockers ... Calcium Channel Blockers ... #Nonlschemic #Causes