25 results
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Visual Guide to AV ... Nodal Reentrant ... Pathophysiology - Dual AV ... via fast pathway back ... ECG usually shows
Back Pain - Common Illness Scripts
 • Lumbosacral Strain
 • Lumbar Disc Herniation
 • Inflammatory Back
Back Pain - Common ... Strain • Lumbar Disc ... • Inflammatory Back ... Pain • Spinal ... diagnosis #comparison #table
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... Intervertebral disc ... (e.g. ankylosing ... spondyloarthritis (e.g ... #primarycare #table
Pediatric Discitis - Inflammation of intervertebral disc 
Etiology 
 • Bacterial or viral 
Clinical 
 •
intervertebral disc ... Clinical • Back ... pain • Refusal ... • Radicular symptoms
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
paresthetica • Symptoms ... intervertebral disc ... absent: lower back ... pain, constitutional ... Raise Test - Pain
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
adrenal glands with lack ... anticoagulation, DIC ... • Abdominal pain ... • Back pain ... Administer 250 mcg
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
draw • Severe pain ... Sinus pauses • AV ... Medication side effect (e.g ... Medication side effect (e.g ... Classification #Table
Dix-Hallpike Maneuver for BPPV

Procedure:
1. Make the patient sit on examination table, such that the shoulders would
on examination table ... on the edge of table ... the patient lies back ... Vertiginous symptoms ... patient is brought back
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 ... • Severe low back ... pain (LBP) • ... Palpation - lower back
Differentiating type-I vs. type-II MI

Sorting this out is difficult, often relying heavily on clinical judgement.

A key
give someone 500 mcg ... transient chest pain ... If the same symptoms ... stressor (chest pain ... The table below