12 results
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... Intervertebral disc herniation ... (most common: lung ... #Pain #Differential ... #Diagnosis #causes
Causes of Pelvic Organ Prolapse - Differential Diagnosis Algorithm
Herniation of one or more pelvic organs
Risk factors:
Causes of Pelvic ... Diagnosis Algorithm Herniation ... possible lower back ... pain: • Uterine ... Rectum - Defecatory symptoms
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Causes - Differential ... Long-standing vs ... , diarrhea • Back ... • Urinary symptoms ... #Differential #
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
Hernias - Past ... to incisional hernias ... - History of back ... pain #Rare #Causes ... #differential #
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
acute lumbar disc herniation ... spine L1-L5 Symptoms ... • Severe low back ... - Emergency Causes ... #diagnosis #causes
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
) - Differential ... the following symptoms ... subdural hematoma, lung ... • Associated symptoms ... Loss of vision or black
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Causes of spinal ... Lower motor neuron symptoms ... Upper motor neuron symptoms ... patients with a long ... syndromes #lesions #differential
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
granulomas within the lungs ... are not caused ... e.g. incidental CXR ... fever, malaise, lack ... 16-32%): lupus pernio
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... chills, weakness, lack ... Constitutional symptoms ... factor • May cause ... AIDS #pulmonary #differential
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Edema (NCPE) - Differential ... blood cells in the lung ... crackles, chest pain ... fentanyl mixed with heroin ... #differential #