111 results
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
Paracoccidioides brasiliensis Lymphadenitis ... Head&neck, Lymph Nodes ... Lymph node entirely ... #brasiliensis #Lymphadenitis ... #Pathology #LymphNode
Here is a lymph node that is lymphoid-depleted, fibrotic, and burned-out, typical of late phase HIV
Here is a lymph node ... late phase HIV lymphadenitis ... Pattern C" in HIV Lymphadenitis ... seen in lymph nodes ... Pathology #Microscopy #LymphNode
Herpes Simplex Virus 
Lymphadenitis 
 • Expanded paracortex 
 • HSV-infected cells are 
present in areas
Simplex Virus Lymphadenitis ... Simplex #Virus #Lymphadenitis ... Microscopy #Clinical #LymphNode
Cervical Lymph Node Examination

#physicalexam #cervical #lymph #node #lymphnode
Cervical Lymph Node ... cervical #lymph #node ... #lymphnode
Lymph Node on POCUS 

Lymph node architecture should consist of a fatty, echogenic center that is
Lymph Node on POCUS ... Lymph node ... maintained in lymphadenitis ... Most large (>5mm) nodes ... emboardbombs #LymphNode
Here is a lymph node with florid follicular hyperplasia typical of HIV lymphadenitis (so-called "pattern A",
Here is a lymph node ... typical of HIV lymphadenitis ... Pattern A" in HIV Lymphadenitis ... HIV #EarlyPhase #Lymphadenitis ... Pathology #Microscopy #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
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
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
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