16 results
Wolff-Parkinson-White (WPW)
- Orthodromic AVRT: Narrow complex, most common 
- Antidromic AVRT: wide complex because goes through
Wolff-Parkinson-White (WPW ... pathway first - A-fib ... #Cardiology #ECG ... #EKG #Electrocardiogram ... #Clinical #Diagnosis
Wolff-Parkinson-White Syndrome

WPW is a congenital abnormality characterized by an abnormal accessory conduction pathway between the atria
Wolff-Parkinson-White Syndrome WPW ... QRS interval on EKG ... #Cardiology #ECG ... #EKG #Electrocardiogram ... #Clinical #Diagnosis
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... abberancy - N B Afib ... + WPW - DANGER ... bradyarrhythmia #ECG ... #EKG #diagnosis
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... + negative T WPW ... Syncope #Syndromes #ECG ... #EKG #Checklist ... #diagnosis #cardiology
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... - LAD: Inf Ml, WPW ... 500 DANGER - Short ... #Approach #ECG ... #EKG #diagnosis
Syncope Cost-Effectiveness Workup
Cost-effective tests for most patients: 
 • Orthostatic BP
 • ECG
 • Telemetry (if
Orthostatic BP • ECG ... • Ambulatory ECG ... indications: • Echocardiogram ... • Brain MRI • EEG ... EricsMedicalLectures/ #Syncope #diagnosis
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... junction origin (e.g ... within the atria (e.g ... @AmyChung #EKG ... Interpretation #ECG
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
How do you work ... Cardioembolic: • ECG ... +/- TEE (high Afib ... v Holter (r/o Afib ... #diagnosis #checklist
Approach to the Hypercoagulable State
Arterial thromboembolism
→ Cardiac rhythm monitoring, Echocardiogram, Vascular imaging
→ Test for APS, particularly
rhythm monitoring, Echocardiogram ... • Provoked (e.g ... - No other workup ... Hypercoagulable #Workup ... #hematology #diagnosis
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
TB • LTBI is diagnosed ... • The goal of diagnosing ... • History of BCG ... immunocompromised (e.g ... #Workup #TB #Latent