11 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... clusvon has a high ... • Classic EKG ... #ekg #differential ... #cardiology
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
also a result of atrial ... Incomplete or Complete RBBB ... Changes • STE in aVR ... Embolism #AcutePE #diagnosis ... #cardiology #electrocardiogram
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
of a Premature Atrial ... but finds the right ... conduct with a RBBB ... #PACs #cardiology ... #diagnosis #ekg
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
boxes) - HiPR: AV ... : WPW, ectopic atrial ... congenital, MI, high ... #EKG #diagnosis ... electrocardiogram #cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Pathologic Q - 1/3 height ... in V1, unless LBBB ... #EKG #diagnosis ... electrocardiogram #cardiology ... Interpretation #differential
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
assoc with 1K, AV ... (<360ms) PE: RBBB ... #EKG #Checklist ... #diagnosis #cardiology ... electrocardiogram #differential
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Sinus Tachy w/ BBB ... (3) SVTs - atrial ... #EKG #diagnosis ... electrocardiogram #cardiology ... #differential
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Segment Elevation - Differential ... Diagnosis Framework ... morphology similar to LBBB ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
300 = NSVT EKG ... Diagnosis: • PAC ... NSVT until a time length ... #differential # ... cardiology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Libman Sacks) • Atrial ... Marantic (NTBE) Differential ... -> TEE • Duke Criteria ... ↑ ESR, CRP • EKG ... #management #cardiology