106 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
Cervical Lymph Node Examination

#physicalexam #cervical #lymph #node #lymphnode
Cervical Lymph Node ... cervical #lymph #node ... #lymphnode
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
Head&neck, Lymph Nodes ... Lymph node entirely ... Note the characteristic ... Lymphadenitis #Pathology #LymphNode
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
within the AV node ... Diagnosis #Cardiology #EKG ... #ECG #Electrocardiogram
Here is a lymph node that is lymphoid-depleted, fibrotic, and burned-out, typical of late phase HIV
Here is a lymph node ... seen in lymph nodes ... Pathology #Microscopy #LymphNode
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
is below the AV node ... Diagnosis #Cardiology #EKG ... #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 ... cardiology #diagnosis #ekg ... #ecg #electrocardiogram
Stimulated
SA node
AV node -
Un-stimulated
#PQ
(mV) 0
ECG (lead II)
QRS
#QRS
#SA node
#AV node
#Bundle of His
Bundle branches
#Purkinje fibers
#QRS
#ST
Stimulated SA node ... AV node - Un-stimulated ... #PQ (mV) 0 ECG ... QRS #QRS #SA node ... #AV node #Bundle
Typical ECG changes associated with hyperkalemia. 
→ Peaked T wave
→ Wide PR interval, Wide QRS duration,
Typical ECG changes ... is important to note ... that ECG changes ... such, a normal ECG ... #progression #ekg
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Immunosuppression (e.g ... spread - Lymph nodes ... involved lymph nodes ... Multiple lymph node ... groups) - Lymph nodes