20 results
Wandering atrial pacemaker - ECG Diagnosis
 • The change in P wave contour is gradual
 •
- ECG Diagnosis ... shifts back to the sinus ... • Variant of sinus ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
Wandering Atrial Pacemaker ... several cycle the pacemaker ... #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
Cardiac Stress Testing
Exercise:
 • Everyone who can exercise should!
 • They must be able to raise
heartblock w/o pacemaker ... : EKG ($), ECHO ... ($$$), PET CT/MRI ... Stress #Testing #cardiology ... #management #diagnosis
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
Myocarditis Diagnosis ... Cardiovascular MRI ... • Unexplained sinus ... shock, sudden cardiac ... #Management #Cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
Wandering Atrial Pacemaker ... several cycle the pacemaker ... #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
Checklist for diagnosing ... MI in LBBB or Pacemaker ... #Checklist #EKG ... #electrocardiogram ... #ecg #cardiology
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
EKG in Acute Pulmonary ... other causes of cardio-pulmonary ... Adrenergic Drive: • Sinus ... Embolism #AcutePE #diagnosis ... #cardiology #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
- ventricular pacemaker ... bradyarrhythmia #ECG ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
- Differential Diagnosis ... Contractility: • MI ... : • Sick Sinus ... Block • Pacemaker ... Syndrome #Syncope #Cardiology
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
ectopic atrial pacemaker ... Short QT <300-360 ms ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #interpretation