963 results
COVID-19 Life Cycle

#COVID19 #LifeCycle #Timeline #Pathophysiology #Diagnosis
Cycle #COVID19 #LifeCycle ... #Timeline #Pathophysiology
Cervical Lymphadenopathy - Lymph Node Drainage
Preauricular nodes - Drain scalp, skin
 • Differential diagnosis: Scalp infections,
Lymphadenopathy - Lymph Node ... Preauricular nodes ... Posterior cervical nodes ... as preauricular nodes ... Supraclavicular nodes
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
Tachycardias - Pathophysiology ... pathways through SA Node ... , Atrium, AV Node ... #Tachycardias #Pathophysiology
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
spread - Lymph nodes ... involved lymph nodes ... Multiple lymph node ... groups) - Lymph nodes
Leishmaniasis Life Cycle
1) Sandfly takes a blood meal (injects promastigote stage into the skin)
Human Stages:
2) Promastigotes
Leishmaniasis #LifeCycle ... #diagnosis #pathophysiology
Acute Rheumatic Fever: Pathogenesis and Clinical Findings

Delayed autoimmune reaction
-> Molecular mimicry
-> GAS antigen cross-reacts with host
->
Nodules (Osler's Nodes ... RheumaticFever #pathophysiology
Osler's Nodes in a patient with infective endocarditis

67yo presents with R occipital intraparenchymal hemorrhage (IPH) attributed
Osler's Nodes in ... think of Osler nodes ... NateWarnerMD #Oslers #Node
Diabetes Pathophysiology and Medication Targets

The ominous octet is one concept that summarizes the different pathophysiologic pathways
Diabetes Pathophysiology ... the different pathophysiologic ... #Diabetes #Pathophysiology
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 ... QRS #QRS #SA node ... #AV node #Bundle
Osteoarthritis (OA): Clinical findings
 • Stimulation of joint nociceptors in subchondral bone -> Pain with loading
Bouchard's nodes ... Osteoarthritis #OA #pathophysiology