36 results
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
) - Differential ... - Ramsay Hunt syndrome ... Nerve V: • TMJ syndrome ... the following symptoms ... • Associated symptoms
Causes of Back Pain - Differential Diagnosis Algorithm
Always assess for red flags. If no red flags,
Causes of Back Pain ... - Differential ... constitutional symptoms ... Fracture • Tumor/lnfection ... • Cauda Equina Syndrome
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... GN - Loin pain ... : • Flank pain ... hematuria • Signs ... renal vein between aorta
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
J point • De Winter ... syndrome - J-point ... V2 • Wellens sign ... • Wellens sign ... EKG #diagnosis #differential
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... Causes: • Large ... epidural hematoma • Infection ... lumbar spine Signs ... #signs
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
Rare Causes of Abdominal ... - May involve symptoms ... neuropsychiatric symptoms ... Positive Carnett's sign ... #differential #
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
spine L1-L5 Symptoms ... so-called ‘red flag’ symptoms ... - Emergency Causes ... #differential # ... diagnosis #causes
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Infarction - Infection ... Lower motor neuron symptoms ... Upper motor neuron symptoms ... Etiology: - Tabes ... #lesions #differential
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Regions - Frequent Differential ... Cardinal Symptoms ... without localizing signs ... or symptoms - Malaria ... • Abdominal pain
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
history of viral infection ... (Wallenberg's syndrome ... Syndrome usually ... varying neurologic signs ... #differential #