39 results
Signet ring cell histiocytes in lymph node sinuses! This can mimic metastatic adenocarcinoma. Histiocytes have ingested
histiocytes in lymph node ... KyleBradleyMD #SignetRing ... #Histiocytes #LymphNode
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
within the AV node ... HeartBlock #Diagnosis #Cardiology ... #EKG #ECG #Electrocardiogram
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
is below the AV node ... HeartBlock #Diagnosis #Cardiology ... #EKG #ECG #Electrocardiogram
Normal Sinus Rhythm - ECG Diagnosis
Normal sinus rhythm (NSR) is an impulse that originates in the
Sinus Rhythm - ECG ... originates in the sinus node ... ECG Recognition: ... SinusRhythm #nsr #cardiology ... #ecg #electrocardiogram
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
through the AV node ... period of the AV node ... #PACs #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
Note there is ST depression in aVR, a true sign of Left Main occlusion.  Many
Note there is ST ... aVR is a good ECG ... Clinical #EM #IM #Cardiology ... #EKG #STElevations
66 yo with syncope - Ventricular Tachycardia

This ECG shows a wide-complex tachycardia in a right bundle
Tachycardia This ECG ... Note the morphology ... -LearnTheHeart ECG ... VentricularTachycardia #Clinical #Cardiology ... #ECG #EKG #Electrocardiogram
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
the block (AV node ... Type2 #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... tachy not from SA node ... brady) (3) SA node ... beats (4) SA node ... electrocardiogram #cardiology
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
None specific for ... Electrocardiogram #ekg ... #ecg #toxicology ... #cardiology #diagnosis