11 results
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
QRS widening • Sinus ... waves • Pseudo-STEMI ... #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 
•
Myocarditis Diagnosis ... Cardiovascular MRI ... • Unexplained sinus ... gallop • Abnormal ECG ... #Management #Cardiology
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
or slowing of sinus ... #Paroxysmal #AVBlock ... #diagnosis #cardiology ... #ekg #ecg #electrocardiogram ... #clinical
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
Diagnosis Summary ... • This is a clinically ... #cardiology #ekg ... #ecg #diagnosis ... #electrocardiogram
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
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Triage EKG (no prior ... Sister had MI in ... Differential/diagnosis ... #EKG #Electrocardiogram ... #clinical #cardiology
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
) - HiPR: AV block ... Short QT <300-360 ms ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #interpretation
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Framework STEMI ... QRS complex Pulmonary ... ; and sinus tachycardia ... #cardiology #ecg ... #ekg #electrocardiogram