22 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
(EKG) Digoxin ... is a cardiac glycoside ... Digoxin effect on ECG ... #EKG #Cardiology ... #Digitalis #ECG
Yamaguchi cardiomyopathy on Electrocardiogram (EKG)
That time when a doctor tells you that you're "having a heart
(EKG) That time ... Cardiac MR shows ... cardiomyopathy #ecg ... #ekg #electrocardiogram ... hypertrophic #clinical #cardiology
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... Syncope #Syndromes #ECG ... #EKG #Checklist ... #diagnosis #cardiology ... #electrocardiogram
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
Criteria - Diagnostic Checklist ... for diagnosing MI ... Modified #Diagnosis #Checklist ... #EKG #electrocardiogram ... #ecg #cardiology
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
Cardiovascular MRI ... gallop • Abnormal ECG ... shock, sudden cardiac ... death Management ... #Cardiology
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... #Approach #ECG ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #interpretation
Cardiac Event Monitoring Devices - Compared
Ambulatory ECG (Hotter):
 • Advantages: Continuous recording, records asx events, all
Compared Ambulatory ECG ... events, all (most) ECG ... Disadvantages: Short ... Devices #Comparison #cardiology ... #management #holter
Cardiac Stress Testing
Exercise:
 • Everyone who can exercise should!
 • They must be able to raise
Cardiac Stress Testing ... arrythmias Diagnostics: EKG ... ($$$), PET CT/MRI ... Stress #Testing #cardiology ... #management #diagnosis
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... #Ischemia #ECG ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #STEMI
Short QT Syndrome
Short QT syndrome (SQTS) is a very rare, recently described syndrome in which an
Short QT Syndrome ... associated with cardiac ... arrest and sudden cardiac ... Syndrome #diagnosis #cardiology ... #ecg #ekg #electrocardiogram