23 results
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
aka Advanced AV ... Block • During ... #AVBlock #cardiology ... ecg #diagnosis #electrocardiogram ... #classification
High-grade AV Block aka Advanced AV Block
 • During sinus rhythm, when 2 or more P
High-grade AV Block ... Block • During ... high-grade AV block ... #Highgrade #AVBlock ... cardiology #ecg #ekg #electrocardiogram
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 ... TWaveInversions #TWI #Differential ... Cardiology #ECG #EKG #Electrocardiogram
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 - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
Bradycardia - Differential ... nodal blocking agents ... nodal blocking agent ... surgery • Heart block ... #Bradycardia #differential
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
- w/ variable block ... (3) SA node block ... rhythms (5) AV block ... - Proximal AV block ... QRS - Distal AV block
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
assoc with 1K, AV block ... Trifascicular block ... 1st degree heart block ... diagnosis #cardiology #electrocardiogram ... #differential
Second degree AV Block 2:1
 • During sinus rhythm, 2 to 1 AV block manifest as
Second degree AV Block ... 2:1 • During ... rhythm, 2 to 1 AV block ... • A 2:1 AV block ... diagnosis #ekg #electrocardiogram