56 results
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
First Degree AV Block ... bundle branch block ... • During sinus ... ecg #diagnosis #electrocardiogram ... #classification
Ultrasound (POCUS) For Nerve Blocks
Nerve block sites, agents, dosing and duration
Infographic by Dr. David Cisewski @dhcisewski
#Management
POCUS) For Nerve Blocks ... Nerve block sites ... , agents, dosing ... #Pain #Nerve #Block ... #Anesthetics #Dosing
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
1st Degree Heart Block ... Mobitz I Heart Block ... • Block in AV ... HeartBlocks #Types #Classification ... Diagnosis #EKG #electrocardiogram
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
Wave Inversions - Differential ... bundle branch blocks ... bundle branch block ... #Diagnosis #Causes ... Cardiology #ECG #EKG #Electrocardiogram
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
Bradycardia - Differential ... nodal blocking agents ... nodal blocking agent ... surgery • Heart block ... #diagnosis #causes
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... : • MOA: Block ... : • MOA: Block ... primarily) and block ... : • MOA: Block
Sinus pause/arrest vs Sinoatrial Block

#cardiology #diagnosis #ekg #ecg #electrocardiogram #sinuspause #sinoatrialblock
Sinus pause/arrest ... vs Sinoatrial Block ... diagnosis #ekg #ecg #electrocardiogram
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... Malaria • Oxygen agents ... nitrates • Other agents ... Hemolytic #Anemia #Differential ... #classification
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Transient K+ efflux moving ... : • MOA: Block ... : • MOA: Block ... primarily) and block ... : • MOA: Block
Bradycardia Diagnostic and Management Algorithm

CONSIDER ETIOLOGY (not inclusive): 
 - STRUCTURAL: sick sinus, AV block, ischemia,
sick sinus, AV block ... - TOX: beta-blockers ... calcium channel blockers ... LIFE THREATENING CAUSES ... Bradycardia #Algorithm #Differential