10 results
Wolff-Parkinson-White (WPW)
- Orthodromic AVRT: Narrow complex, most common 
- Antidromic AVRT: wide complex because goes through
pathway first - A-fib ... : different QRS ... #Cardiology #ECG ... #EKG #Electrocardiogram ... #Clinical #Diagnosis
Lead aVR on EKG
Lead aVR can provide some unique insight into 5 different conditions:

 - Acute
Lead aVR on EKG ... conditions: - Acute ... ) #Diagnosis # ... Cardiology #EKG ... #ECG #Lead #AVR
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
- Differential Diagnosis ... Don't rely on criteria ... • HyperK vs AF+WPW ... + RBBB/LBBB or ... Irregular #causes #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... Acute myocardial ... in WPW (sens 71% ... #AVR #leadAVR #ecg ... #cardiology
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
EKG in Acute Pulmonary ... ., A-Fib also a ... Changes • STE in aVR ... #EKG #Pulmonary ... #diagnosis #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Sinus Tachy w/ BBB ... abberancy - N B Afib ... + WPW - DANGER ... #EKG #diagnosis ... electrocardiogram #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
- Differential Diagnosis ... depression in aVR ... morphology similar to LBBB ... QRS complex Pulmonary ... #cardiology #ecg
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Elevation of ST segment ... ST elevation in aVR ... deviation) • Acute ... #EKG #diagnosis ... #differential #cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
- Differential Diagnosis ... Pheochromocytoma • Pulmonary ... : SVT-AVNRT or AVRT ... /Afib/WPW) • Loss ... #Palpitations #Cardiology
Nuclear myocardial perfusion imaging (MPI) may be performed by either single-photon emission CT (SPECT) or positron
Acute pulmonary ... when baseline EKG ... branch block (LBBB ... Parkinson White (WPW ... greater than 1 mm ST-segment