18 results
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Specific for critical ... anterior wall MI ... Serial EKGS in pts ... #ECG #Electrocardiogram ... #Diagnosis #Cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(3) SVTs - atrial ... 200ms from longer pause ... bradyarrhythmia #ECG ... #EKG #diagnosis ... #electrocardiogram
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
Myocarditis Diagnosis ... Cardiovascular MRI ... Clinical • ... gallop • Abnormal ECG ... Dysrhythmia, heart block
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Brady Management ... P and QRS • Atrial ... degrees #summary #Diagnosis ... #EKG #electrocardiogram ... #ecg #cardiology
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... group-beating" on the ECG ... #cardiology #ekg ... #ecg #diagnosis ... #electrocardiogram
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
) - HiPR: AV block ... : WPW, ectopic atrial ... #Approach #ECG ... #EKG #diagnosis ... #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
presence of AV block ... Wandering Atrial ... Arrhythmia #cardiology #diagnosis ... #ekg #ecg #electrocardiogram ... #variants #clinical
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Pulmonary Embolism on ECG ... Differential/diagnosis ... Pulmonary #Embolism #ECG ... #EKG #Electrocardiogram ... #clinical #cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
presence of AV block ... Wandering Atrial ... Arrhythmia #cardiology #diagnosis ... #ekg #ecg #electrocardiogram ... #variants #clinical
Peripartum Cardiomyopathy - Summary
1. Definition
 • Towards the end of pregnancy to 5 months postpartum
exclude other causes ... ancestry, LGE on MRI ... Clinical • Under-recognized ... teratogenic GDMT meds ... Serial TTE and close