170 results
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
VT: - No RS complexes ... - Very broad complexes ... produce a hybrid complex ... onset of the QRS complex ... cardiology #diagnosis #electrocardiogram
Premature atrial complex (PAC) - ECG Recognition
 • Prematurity and altered P wave morphology.
 • P
Premature atrial complex ... premature junctional complex ... premature #atrial #complexes ... diagnosis #ekg #ecg #electrocardiogram
Loculated pericardial effusion seen in apical 4-chamber on echocardiogram

Dr. J. Christian Fox @jchristianfox

#Pericardial #Effusion #Loculated #complex
Loculated pericardial effusion ... #Pericardial #Effusion ... #Loculated #complex ... Echocardiogram #POCUS
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
Premature Atrial Complex ... diagnosis #ekg #ecg #electrocardiogram ... premature #atrial #complexes
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
dissociation (P and QRS complexes ... a VT run) and fusion ... beats (hybrid complex ... negative (QS) complexes
Type II Hypersensitivity: Pathogenesis and clinical findings
Definition: When antigens bind to the body's cell surfaces, forming
antigen-surface complex ... antigen-surface complex ... against these complexes ... or the entire complex ... Allergy #Immunology #pathophysiology
Wolff-Parkinson-White (WPW)
- Orthodromic AVRT: Narrow complex, most common 
- Antidromic AVRT: wide complex because goes through
Orthodromic AVRT: Narrow complex ... Antidromic AVRT: wide complex ... Cardiology #ECG #EKG #Electrocardiogram
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology ... antibiody -> Immune Complex ... > Incr Immune Complex ... Vasculitis #HUV #Pathophysiology
Accelerated Idioventricular Rhythm (AIVR) on EKG
 • Regular rhythm with wide. 
 • QRS complexes >120
• QRS complexes ... • Capture and fusion ... cardiology #EKG #ECG #Electrocardiogram
Supraventricular Tachycardia EKG

Here’s a great ECG case of a 50-year-old lady who presented with palpitations

Her heart
wide or narrow complex ... see that the QRS complexes ... Tachycardia #EKG #ECG #Electrocardiogram