125 results
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Polyneuropathy, Acute stroke ... Guillain-Barré syndrome ... Delayed finding in stroke ... Hyperthyroidism, Serotonin syndrome ... #neurology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Aldosterone: Liddle's Syndrome ... SAME, Cushing Syndrome ... diuretics, Bartter syndrome ... , Gitelman syndrom ... #nephrology
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
fistula, Cogan's syndrome ... ), Ramsay Hunt syndrome ... - Vascular - Stroke ... Wallenberg syndrome ... #diagnosis #neurology
Syncope in 3 Steps
1. Consider the 3 "S" Mimics: Seizure, low Sugar, Stroke (TIA)
2. Heart vs
Mimics: Seizure, low ... Sugar, Stroke ( ... subclavian steal syndrome ... other #Syncope #differential ... #diagnosis #mimics
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
Parinaud's Syndrome ... Vascular disease (stroke ... gabifpucci #Parinauds #Syndrome ... #diagnosis #pineal ... #neurology
Acute Pharyngitis: Differential Diagnosis
Infectious:
 • Respiratory viruses (25-45%)
 • Group A Strep (5-15%)
 • Other bacteria:
Acute Retroviral Syndrome ... Diffuse viral syndromes ... to second-hand smoke ... dry air • Vocal strain ... PFAPA, Behcet syndrome
The Hot and Altered Patient in the ED - Differential Diagnosis Framework
 • Heat Stroke
 •
Patient in the ED - Differential ... Diagnosis Framework ... • Heat Stroke ... Neuroleptic Malignant Syndrome ... • Serotonin Syndrome
Diplopia - Differential Diagnosis
Step 1: Consider Stroke
Step 2: Diplopia PLUS
 - Cavernous Sinus Syndrome
 - Infection
Diplopia - Differential ... Diagnosis Step ... 1: Consider Stroke ... Cavernous Sinus Syndrome ... - Orbital Apex Syndrome
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Diuretics, Bartter Syndrome ... , Gitelman Syndrome ... GRA, Cushing's syndrome ... , Liddle syndrome ... #nephrology
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Diagnosis Algorithm ... Hypercalcemia Low ... disease, Milk Alkali Syndrome ... disease, Viral Syndromes ... #Workup #nephrology