28 results
Causes of Sudden Cardiac Arrest
Primary Myocardial Processes (> 90%):
 • Acquired structural heart disease: CAD, Most
Channelopathies: Long/short ... QT syndromes, Brugada ... Acquired long QT syndrome ... Cardiac #Arrest #cardiology ... #differential #
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Hypokalemia - Differential ... K-ATPase which imports ... - Refeeding Syndrome ... #Hypokalemia #Differential ... potassium #low #pathophysiology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Pupillary Defects - Differential ... Syphilis (light-near ... Midbrain (Parinaud's Syndrome ... Pupils #Defects #Differential ... Algorithm #Causes #Ophthalmology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
6mm); • Light-near ... Holmes-Adie Syndrome ... Young females Differential ... - no light-near ... PhysicalExam #neurology #ophthalmology
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
mucins with reduced tear ... conjunctiva) • Bitot's spots ... #Xeropthalmia #pathophysiology ... #ophthalmology
Floaters - Differential Diagnosis Framework

What?
Vitreous Floaters:
• Microscopic collagen fibers within the vitreous that tend to clump
Floaters - Differential ... Patients As: • Black spots ... the vision • Spots ... #Floaters #Differential ... Diagnosis #Ocular #ophthalmology
Haglund Syndrome - MSK Radiology
Imaging Findings:
 • The Haglund Deformity (enlarged superior margin calcaneal posterior process)
Haglund Syndrome ... - MSK Radiology ... Partial undersurface tear ... heterogeneity & possible tear ... Differential diagnosis
Hyperopia: Pathogenesis and clinical findings
 • Axial length of eye -> Short axial length of the
length of eye -> Short ... distant vision • Near ... retina -> Blurry near ... #Hyperopia #pathophysiology ... #ophthalmology
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
) - Differential ... - Ramsay Hunt syndrome ... Nerve V: • TMJ syndrome ... vision or black spots ... the tragus to differentiate
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
ECGs - Syncope Syndromes ... delta wave and short ... mchlwng #Syncope #Syndromes ... Checklist #diagnosis #cardiology ... electrocardiogram #differential