9 results
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
QRS widening • Sinus ... of conduction block ... waves • Pseudo-STEMI ... #ECG #electrocardiogram ... #clinical
Pericarditis on EKG
Stage 1 - Widespread ST elevation (<5mm) and PR depression; In aVR: ST depression
Pericarditis on ... Normalization Spodick's sign ... #EKG #ECG #electrocardiogram ... #cardiology #diagnosis ... #clinical
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
presence of AV block ... #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram ... #variants #clinical
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
performed) • Clinical ... • Chest pain, pericarditis ... • Unexplained sinus ... gallop • Abnormal ECG ... Dysrhythmia, heart block
High-grade AV Block aka Advanced AV Block
 • During sinus rhythm, when 2 or more P
• During sinus ... • This is a clinically ... #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 ... or slowing of sinus ... #diagnosis #cardiology ... #ekg #ecg #electrocardiogram ... #clinical
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
presence of AV block ... #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram ... #variants #clinical
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
• During sinus ... • This is a clinically ... atrioventricular #blocks #AVBlock ... #cardiology #ekg ... #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Diagnosis Framework STEMI ... STE: "Pardee's sign ... depression Pericarditis ... ; and sinus tachycardia ... #ecg #ekg #electrocardiogram