33 results
Central retinal artery occlusion (CRAO). Positive "spot sign" on Ocular Ultrasound

78 yo M with sudden onset
"spot sign" on Ocular ... Do you see any pathology ... Clinical #POCUS #Ocular
Ever wanted to check pupillary light reflex in an eye that's swollen shut? Remember this trick:

1.
pupillary light reflex ... Sam Ghali @EM_RESUS ... Clinical #POCUS #Ocular ... Pupillary #Light #Reflex
Dysmorphic Red Blood Cells on Electron Microscopy
This eyeSCANdy image shows dysmorphic red blood cells from the
ElectronMicroscopy #SEM ... #clinical #pathology ... #hematology #nephrology
Calcium Oxalate Crystals on Electron Microscopy
Today’s image shows calcium oxalate crystals in a urinary sediment under
ElectronMicroscopy #SEM ... #clinical #nephrology ... #pathology
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Sensory Motor Reflex ... Flexion Biceps Reflex ... Brachioradialis Reflex ... Abduction None T7-T12 See ... differential #diagnosis #Neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Cavernous Sinus (CS) Pathology ... ophthalmology #neurology ... differential #diagnosis #ocular
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
• Vestibulo-ocular ... reflex • Gag ... reflex • Cough ... reflex Pupils ... #PhysicalExam #neurology
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
pupillary light reflex ... described the "pathologic ... #Defect #RAPD #neurology
Phosphate Binders - Pros and Cons

Calcium carbonate (TumsTM) 
 - Most inexpensive, antacid properties useful for
properties useful for reflux ... ancillary benefits (see ... edgarvlermamd - Nephrology ... #Pharmacology #Nephrology
This image shows acellular scanning EM with empty lacunar spaces of a fibrocellular crescent previously occupied
acellular scanning EM ... ElectronMicroscopy #SEM ... #clinical #nephrology ... #pathology