26 results
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
reexposed to light; • Normal ... Holmes-Adie Syndrome ... Ill Palsy - abnormal ... dissociation • Other causes ... #neurology #ophthalmology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... and Differential Diagnosis ... investigations abnormal ... clinical context and signs ... #nephrology #causes
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... Extra-renal Losses: • Normal ... Renin secreting tumor ... #Algorithm #causes ... potassium #low #nephrology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Renin-secreting tumor ... Hyperplasia • Normal ... Al, Normal R - ... #Algorithm #nephrology ... #causes #low #potassium
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Demyelinating Disease (MS ... Myelitis, Trauma, Tumor ... Phrenic nerve injury ... #differential #diagnosis ... #neurology
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
Hoffman's sign. ... this specific case ... Reflex #Positive #Abnormal ... clinical #video #neurology ... #PhysicalExam
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... Causes: • Large ... Areflexia (loss of normal ... #MSK #pathophysiology ... #diagnosis #symptoms
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential Diagnosis ... bearing after injury ... - Synovium - Oral ... #msk #physicalexam
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
wasting from other causes ... suggests extra-renal causes ... Renin secreting tumor ... consumption • Low/Normal ... #Hypokalemia #diagnosis
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
etiology of coma Abnormal ... movements; also normal ... flexion withdrawal, abnormal ... decortication), abnormal ... • Examine for signs