12 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... • Classic EKG ... #AVR #leadAVR #ecg ... #differential # ... cardiology
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs - Syncope ... assoc with 1K, AV ... #EKG #Checklist ... #diagnosis #cardiology ... electrocardiogram #differential
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... intracellular Ca ... - Decreases AV ... biphasic T waves - Short ... #Cardiology #Digitalis
WOBBLER  for ECG assessment in Syncope 
W - Wolff Parkinson White 
O - Obstructed AV
O - Obstructed AV ... is obstructed AV ... there is also a short ... #EKG #ECG #Diagnosis ... #Cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
deWinter T waves - starts ... leads with STE in avR ... #EKG #diagnosis ... electrocardiogram #cardiology ... Interpretation #differential
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
boxes) - HiPR: AV ... 500 DANGER - Short ... <300-360 ms: ↑ca ... #EKG #diagnosis ... electrocardiogram #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Segment Elevation - Differential ... depression in aVR ... depression in aVR ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Hemorrhagic Pericardial Effusions (Hemopericardium)- Differential Diagnosis Framework

IATROGENIC DISEASE
Secondary to invasive cardiac procedures

NONIATROGENIC
• Malignancy (e.g., metastatic spread:
Hemopericardium)- Differential ... • Malignancy (e.g ... mesothelioma • AVM ... • MCTD, Lupus, GPA ... #Diagnosis #cardiology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Gastric & Ovarian CA ... nodes • Roth’s spots ... Marantic (NTBE) Differential ... ↑ ESR, CRP • EKG ... diagnosis #management #cardiology
This infographic provides a mnemonic tool called “WOBBLER” for assessing an ECG (electrocardiogram) in cases of
associated with a short ... O: Obstructed AV ... as first-degree AV ... QT syndrome or short ... #cardiology #differential