9480 results
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
CD8 T cells (IFN-y) ... accumulation of clinical ... Assessment • Clinical ... manifestations, Anti-IFN-y ... Lymphohistiocytosis #diagnosis #management
ERCP Management Algorithm for Patient with Symptomatic Choledocholithiasis 

Predictors of choledocholithiasis
Very strong
 - CBD stone on
ERCP Management ... transabdominal US - Clinical ... Older than 55 y ... - Clinical gallstone ... pancreatitis #ERCP #Management
Pulmonary Vein Stenosis on Echocardiogram - PLAX - Color Doppler
41 y/o w no PMHx

- Edinson Garcia.
Color Doppler 41 y/ ... Doppler #pocus #clinical
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
percarditis - Slow y ... myxoma - Rapid y ... defect - Absent y
Secondary hypertension: Screening Checklist
New-onset or uncontrolled hypertension in adults
 • Drug-resistant/induced hypertension
 • Abrupt onset of
hypertension at <30 y ... adults (age >65 y)
Thiazide
diuretics
Carbonic anhydrase
inhibitors
(e.g., acetazolamide)
Nat-Cl symport
Na and HCO;-
reabsorption
Aldosterone
antagonists
(e.g., spironolactone)
Nat channel
(indirect effect)
Loop diuretics (e.g., furosemide)
Amiloride,
#triamterene
Nat-K+-2CF symport
Na channel
(direct effect)
#NaCI reabsorption
NaCI reabsorption y ... + ECF volume y
The HINTS Exam - Differentiating Central vs Peripheral Vertigo

Head Impulse Test
Nystagmus
Test of Skew

Animation by Dr. Y.
Y.
ANCA Vasculitis - GPA, MPA, Eosinophilic GPA

doi:10.1038/s41572-020-0204-y

#ANCA #Vasculitis #GPA #MPA #Eosinophilic #rheumatology #diagnosis #comparison #table
s41572-020-0204-y
Patent Ductus Arteriosus (PDA) on Cardiac MRI

16 y with Syncope /differential cyanosis / clubbing - PDA
Cardiac MRI 16 y ... CardiacMRI #CMRI #clinical
Jugular Waveform Components 
 • a wave - due to atrial contraction: It occurs just before
y descent - ... Thus the y descent