35 results
Hallmark ECG features of Ventricular Tachycardia (VT)
AV indicates atrioventricular; LAD, left axis deviation; LBBB, left bundle
axis deviation; LBBB ... bundle branch block ... axis deviation; RBBB ... bundle branch block ... VTach #ECG #EKG #Electrocardiogram
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
• Third degree block ... • Alternating RBBB ... /LBBB with syncope ... without symptoms • RBBB ... • Reversible causes
Right Bundle Branch Block (RBBB) - EKG Diagnosis
EKG Criteria:
 • QRS > 0.12 seconds
 • Slurred
Bundle Branch Block ... (RBBB) - EKG Diagnosis ... #BundleBranch #Block ... #RBBB #EKG #Diagnosis ... #ECG #electrocardiogram
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Ml, WPW, LVH, LBBB ... MI, WPW, RVH, RBBB ... ) - HiPR: AV block ... leads slurred S), LBBB ... EKG #diagnosis #electrocardiogram
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
AFIutter + variable block ... whether AF is cause ... Tx: Underlying cause ... /LBBB or identical ... Narrow #Irregular #causes
Ultrasound-Guided Regional Nerve Blocks in Emergency Medicine: Superficial Cervical Plexus Nerve Block
Uses in the Emergency Department:
Regional Nerve Blocks ... Cervical Plexus Nerve Block ... Uses in the Emergency ... plexus #nerve #block ... ultrasound #anesthesia #pocus
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
Algorithm for the ... consistent with either LBBB ... or RBBB? ... Interpretation #ECG #EKG #Electrocardiogram
Sinus pause/arrest vs Sinoatrial Block

#cardiology #diagnosis #ekg #ecg #electrocardiogram #sinuspause #sinoatrialblock
Sinus pause/arrest ... vs Sinoatrial Block ... diagnosis #ekg #ecg #electrocardiogram
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
assoc with 1K, AV block ... Trifascicular block ... - RBBB, LAFB/LPFB ... 1st degree heart block ... diagnosis #cardiology #electrocardiogram
Ultrasound-Guided Regional Nerve Blocks in Emergency Medicine: Interscalene Brachial Plexus Nerve Block
Uses in the Emergency Department:
Regional Nerve Blocks ... Brachial Plexus Nerve Block ... Uses in the Emergency ... plexus #nerve #block ... ultrasound #anesthesia #pocus