246 results
Normal (Negative) Lachman Test for ACL Injury

Andrew Dold, MD @dr.dold.md

#Lachmans #test #ACL #Knee #Injury #Normal #Negative
Normal (Negative ... Injury #Normal #Negative ... #clinical #video ... #PhysicalExam #Sports
Gram Stain - Bacteria Identification Algorithm
Gram Positive:
 • Rods: Oxidase+, Oxidase-, Fastidious, Anaerobic, Curved
 • Cocci:
Anaerobes Gram Negative ... Rods: Branching, Spores ... #microbiology #diagnosis
Normal Simmonds-Thompson Test (Negative) for Achilles Tendon Rupture

In this normal Simmonds-Thompson test, plantar flexion of the
Simmonds-Thompson Test (Negative ... #Test #Normal #Negative ... Tendon #Rupture #Clinical ... PhysicalExam #Calf #Sports
Central Retinal Artery Occlusion (CRAO)
Clinical:
 • Sudden, painless, complete loss of vision 
 • Pale retina
Occlusion (CRAO) Clinical ... • Cherry red spot ... Occlusion #CRAO #Diagnosis ... #Clinical #Fundoscopy ... #Ophthalmology
Cotton Wool Spots

Caused by microinfarcts. Exploded ganglion cell axons extrude their axoplasm into retina. Long DDx:
Cotton Wool Spots ... #CottonWool #Spots ... #fundoscopy #ophthalmology ... #Clinical
Roth spots: a red hemorrhagic lesion of the retina with a characteristic white center representing fibrin-platelet
Roth spots: a red ... Endocarditis #Infective #Clinical ... #Fundoscopy #Ophthalmology
Asterixis is a type of negative myoclonus characterized by irregular lapses of posture of various body
Asterixis is a type of negative ... of various body parts ... #PhysicalExam #clinical ... #diagnosis #video
Optic Disc Edema

The optic disc is elevated and its surface is covered by cotton wool spots
by cotton wool spots ... papilledema #fundoscopy #ophthalmology ... #Clinical
Central Retinal Vein Occlusion (CRVO)
Clinical:
 • Sudden, painless, monocular loss of vision 
 • "Blood and
Occlusion (CRVO) Clinical ... Management: • Ophthalmology ... Occlusion #CRVO #Diagnosis ... #Clinical #Fundoscopy ... #Ophthalmology
Septic Arthritis - Pathogens and Clinical Clues

Staphylococcus aureus 
Streptococcal spp. 
Neisseria gonorrhoeae 
Aerobic/Anaerobic 
Gram-negative bacteria 
Brucellosis
Pathogens and Clinical ... Anaerobic Gram-negative ... #Differential #Diagnosis