29 results
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
C6 Dorsal Thumb ... Finger Elbow Extension ... Finger Finger Flexion ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
reexposed to light; • Normal ... Holmes-Adie Syndrome ... Young females Differential ... Diagnosis: • CN ... #ophthalmology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... Diagnosis: • ... Unresponsive wakefulness syndrome ... • Locked-in syndrome ... #PhysicalExam #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
MLF) Iniury • One-and-a-half ... Syndrome • Cavernous ... #Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Hypophosphatemia - Differential ... Diagnosis Framework ... alkalosis, Hungry bone ... #Diagnosis #Framework ... Workup #phosphate #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
Diagnosis Algorithm ... Malabsorption, Phosphate binder ... malabsorption), Hungry bone ... syndrome • Renal ... #causes #nephrology
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
Bradycardia - Differential ... Diagnosis Framework ... • His-Purkinje Fiber ... • Oculocardiac reflex ... #diagnosis #causes
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Diagnosis Baseline ... investigations abnormal ... investigations depending on ... • Cardio-renal syndrome ... #Diagnosis #nephrology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Diagnosis: • ... decreased rectal tone ... #differential # ... diagnosis #causes ... #neurology
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... retraction of one ... contralateral one ... #Differential # ... Diagnosis #ophthalmology