13 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... ST elevation in ... • Classic EKG ... #AVR #leadAVR #ecg ... electrocardiogram #diagnosis #ekg
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
Typical ECG changes ... diffuse, positive, ST ... with reciprocal ST ... normalization of ST ... #EKG #Pericarditis
Owing to the morbidity and need for urgent treatment, STEMI is the default diagnosis is patients
need for urgent treatment ... patients with ST ... features of the EKG ... #EKG #ECG #STElevation ... #STSegment #Differential
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... 0.5mm downgoing ST ... #Ischemia #ECG ... #EKG #diagnosis ... Interpretation #differential
Vasospastic (Prinzmetal) Angina
Definition / Epidemiology:
 • Rest angina attributed to coronary artery vasospasm.
 • Patients often
microvascular injury ... associated with ST ... • Transient ST ... changes on tele/ECG ... tests in cath lab Treatment
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Elevation - Differential ... depression in aVR ... Prinzmetal's Angina ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... elevation in aVR ... #Equivalents #ECG ... #EKG #diagnosis ... #differential #
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
imitator" • ↓ K - ST ... long QT via long ST ... Syncope #Syndromes #ECG ... #EKG #Checklist ... electrocardiogram #differential
Myocarditis 

5 Principles of
Myocarditis:
1. Build clinical suspicion
2. Decide on EMBx
3. Manage acute cardiac injury
4. Manage chronic
Fulminant: - Acute HF ... Pericarditis, Tamponade EKG ... Findings: - AV ... (ST elevation), ... Low voltage Treatment
Shock - Differential Diagnosis Framework
 - MAP <65. SBP <90, drop in SBP > 40
 -
Shock - Differential ... Medications, Spinal Cord Injury ... Decompensated CHF ... 3) UOP > 0.5 cc ... /kg/hr Sophia