10 results
ECG Interpretation Basics Quick Reference
- Rhythm and Rate
- QRS / Blocks
- Intervals
- Axis
- Chambers
- ST/T/Q (Ischemia)

By
ECG Interpretation ... Quick Reference - Rhythm ... @sargsyanz #ECG ... #Basics #EKG #Electrocardiogram ... #Cardiology #Diagnosis
Accelerated Idioventricular Rhythm (AIVR) on EKG
 • Regular rhythm with wide. 
 • QRS complexes >120
(AIVR) on EKG ... complexes >120 ms ... #AIVR #diagnosis ... #cardiology #EKG ... #ECG #Electrocardiogram
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
AV Dissociation: ... evidence of AV dissociation ... Tachycardia #Evaluation #Interpretation ... #ECG #EKG #Electrocardiogram ... #Diagnosis #Cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... junction origin (e.g ... @AmyChung #EKG ... #ECG #Electrocardiogram ... #cardiology #diagnosis
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Atrioventricular dissociation ... activation from SVT (e.g ... ., junctional rhythm ... Cannon #AWaves #diagnosis ... #cardiology #CVP
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... QRS in 6s x 10 Rhythm ... #Approach #ECG ... #EKG #diagnosis ... #interpretation
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
criteria for the diagnosis ... contrast to AV dissociation ... Pacemaker #wap #diagnosis ... #cardiology #ekg ... #ecg #electrocardiogram
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
- Differential Diagnosis ... Legg-Calve-Perthes Disease Knee ... Disease • Patella (e.g ... Tendon Rupture, Dislocation ... Deformity #Limp #MSK
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
RV dysfunction. e.g ... forward flow. e.g ... with irregular rhythms ... Ahmed Ghoneem, MD MSc ... artery #catheter #diagnosis
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
specific questions to ask ... overload, irregular rhythm ... indicated • EKG ... Obtain EKG if: ... stratification #diagnosis