16 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... Subepicardial atrial injury ... #AVR #leadAVR #ecg ... #differential # ... cardiology
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
Typical ECG changes ... depression in aVR ... PR segment in aVR ... indicates atrial injury ... Diagnosis #EM #IM #Cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
dep and peaked ... in avR - Wellen's ... avR - proximal ... electrocardiogram #cardiology ... Interpretation #differential
Owing to the morbidity and need for urgent treatment, STEMI is the default diagnosis is patients
the morbidity and ... need for urgent treatment ... patients with ST ... : #Diagnosis #Cardiology ... #STSegment #Differential
Myocarditis 

5 Principles of
Myocarditis:
1. Build clinical suspicion
2. Decide on EMBx
3. Manage acute cardiac injury
4. Manage chronic
acute cardiac injury ... Findings: - AV ... (ST elevation), ... Low voltage Treatment ... #summary #biopsy
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Elevation - Differential ... depression in aVR ... Segment #Elevation #differential ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... assoc with 1K, AV ... WPW - delta wave and ... #diagnosis #cardiology ... electrocardiogram #differential
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... elevation in aVR ... #Equivalents #ECG ... #differential # ... cardiology #electrocardiogram
Vasospastic (Prinzmetal) Angina
Definition / Epidemiology:
 • Rest angina attributed to coronary artery vasospasm.
 • Patients often
microvascular injury ... associated with ST ... changes on tele/ECG ... tests in cath lab Treatment ... Prinzmetal #Angina #cardiology
Statin Induced Muscle Toxicity - Summary

Clinical Presentation:
 • Elevations of serum creatine kinase with proximal myalgia
any time during treatment ... Direct muscle injury ... Risk of muscle injury ... (SAMS-CI) • EMG ... IMNM) • Muscle biopsy