15 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 ... • 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 ... depression in aVR ... indicates atrial injury ... patients) stage 4 - ECG ... #EKG #Pericarditis
Owing to the morbidity and need for urgent treatment, STEMI is the default diagnosis is patients
the morbidity and ... need for urgent treatment ... 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 ... dep and peaked ... #Ischemia #ECG ... #EKG #diagnosis ... Interpretation #differential
Myocarditis 

5 Principles of
Myocarditis:
1. Build clinical suspicion
2. Decide on EMBx
3. Manage acute cardiac injury
4. Manage chronic
Pericarditis, Tamponade EKG ... Findings: - AV ... (ST elevation), ... Low voltage Treatment ... #summary #biopsy
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
assoc with 1K, AV ... WPW - delta wave and ... Syncope #Syndromes #ECG ... #EKG #Checklist ... 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 ... #EKG #diagnosis ... #differential #
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Elevation - Differential ... depression in aVR ... depression in aVR ... #diagnosis #cardiology ... #ecg #ekg #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
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
Treatment depends ... Surgical devices, e.g ... Sepsis (→ 3-14) e.g ... malignant syndrome (e.g ... Traumatic brain injury