23 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... result is positive (abnormal ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... VestibularSyndrome #Posterior
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential Diagnosis ... Normotensive: • UCl ... Post-hypercapnia • UCl ... #Algorithm #nephrology ... #causes #low #potassium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... Extra-renal Losses: • Normal ... Acid-Base: Low ... #Algorithm #causes ... potassium #low #nephrology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... Dizziness and Vertigo Peripheral ... with vascular causes ... (posterior canal ... #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... Unresponsive wakefulness syndrome ... • Locked-in syndrome ... Casey Albin MD @ ... #PhysicalExam #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... perineum, and posterior ... • Provocative Tests ... absent anal wink test ... #causes #neurology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
, Gitelman syndrome ... acid-base status ... the indicated causes ... urine #Algorithm #nephrology ... #differential #diagnosis
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... the lesion Posterior ... in deep tendon reflexes ... #differential #diagnosis ... #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... Occlusion of posterior ... Syndrome usually ... #differential #diagnosis ... #neurology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... (AG) = {Na - (Cl ... D-lactate (short bowel syndrome ... #Summary #Nephrology ... bloodgas #Acid #Base