19 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... • Classic EKG ... widened QRS and QTc ... #AVR #leadAVR #ecg ... #diagnosis #ekg
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
on ECG Mid ... female with chest pain ... Triage EKG (no prior ... Differential/diagnosis ... #EKG #Electrocardiogram
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... spondyloarthritis (e.g ... spondyloarthritis (e.g ... Diagnosis #causes ... #primarycare #table
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Malignancy (e.g ... pathology (e.g. ... SSRIs) Severe pain ... #Diagnosis #Table ... #Causes #Sodium
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... Probably AVnRT or AVRT ... Control rate (e.g ... Treat underlying cause ... Control rate (e.g
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... bradyarrhythmia #ECG ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
draw • Severe pain ... Medication side effect (e.g ... Medication side effect (e.g ... Classification #Table ... #Causes
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Elevation - Differential ... QRS complex Pulmonary ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
not be subtle e.g ... very remarkable w/differential ... E.g. 80 yo ESR cutoff ... claudication: pain ... Treatment of GCA
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Pleuritic chest pain ... • Vasculitis (e.g ... Lung #Abscess #pulmonary ... #differential #