9 results
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
dextrocardia, normal ... dextrocardia, normal ... Short QT <300-360 ms ... #EKG #diagnosis ... electrocardiogram #cardiology #interpretation
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... T Waves: • Normal ... V1 (Invert III normal ... #Interpretation ... diagnosis #system #cheatsheet
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
- Polycythemia Differential ... Diagnosis Algorithm ... Hemoglobin: • Males ... Paraneoplastic (e.g ... ), TEMPI (VEGF normal
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
have no pain - LAD ... T wave in V1 - normal ... #EKG #diagnosis ... #Equivalents #Interpretation ... #differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
sedimentation rate + Normal ... permanent alopecia Differential ... Cytopenias • Cardiac valve ... , Serositis Labs ... flares • CRP normal
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... Diagnosis Algorithm ... that a one-off value ... exogenous, EPO levels: normal ... #Diagnosis #Algorithm
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
include Crackles/Rales ... ECG is vital while ... lab markers such ... #diagnosis #differential ... #algorithm #management
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
breath sounds • Rales ... CXR upright or lat ... - Switch to oral ... Lung Abscess Differential ... • Vasculitis (e.g
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
neuroexam - Oral ... event, follow ACC algorithm ... indicated • EKG ... Obtain EKG if: ... Determine if any labs