22 results
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
• Advanced 2nd ... block with syncope ... unclear origin • Sinus ... Indications #PPM #cardiology ... #management
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
QRS widening • Sinus ... of conduction block ... manifestations and ... #ECG #electrocardiogram ... #cardiology #diagnosis
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
Myocarditis Diagnosis ... Cardiovascular MRI ... • Unexplained sinus ... gallop • Abnormal ECG ... #Management #Cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
with respiration and ... presence of AV block ... #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs - Syncope ... WPW - delta wave and ... #EKG #Checklist ... #diagnosis #cardiology ... #electrocardiogram
High-grade AV Block aka Advanced AV Block
 • During sinus rhythm, when 2 or more P
• During sinus ... #Highgrade #AVBlock ... #Advanced #diagnosis ... #cardiology #ecg ... #ekg #electrocardiogram
Paroxysmal AV Block on ECG
 - Characterized by an abrupt and persistent AV block in the
on ECG - Characterized ... by an abrupt and ... or slowing of sinus ... #diagnosis #cardiology ... #ekg #ecg #electrocardiogram
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... Diagnosis Algorithm ... : • Sick Sinus ... Node) • 2nd ... #Cardiology #Differential
Second degree AV Block 2:1
 • During sinus rhythm, 2 to 1 AV block manifest as
2:1 • During sinus ... Second #degree #2nd ... #ecg #diagnosis ... #ekg #electrocardiogram ... #cardiology
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
Diagnosis Summary ... atrioventricular #blocks #AVBlock ... #cardiology #ekg ... #ecg #diagnosis ... #electrocardiogram