29 results
Causes of Low Back Pain - Differential Diagnosis
Intrinsic Spine: Lumbar strain, Herniated nucleus pulposus, Compression fracture,
Causes of Low Back ... Pain - Differential ... pulposus, Compression fracture ... • Vascular - abdominal ... #Diagnosis #causes
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Dyspnea - Differential ... Kyphoscoliosis • Abdominal ... #Dyspnea #SOB #Differential ... Diagnosis #Algorithm #Causes
Diffuse Acute Abdominal Pain (<72 hours) - Differential Diagnostic Algorithm
Look for surgical abdomen
Upper quadrant: R/O cardiac,
(<72 hours) - Differential ... : R/O cardiac, pulmonary ... musculoskeletal causes ... genitourinary causes ... #Pain #Differential
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... , Pathologic fracture ... Referred Pain: • Aorta ... #Back #Pain #Differential ... #Diagnosis #causes
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Pain Causes - Differential ... Consider cardiac causes ... genitourinary causes ... hernia • Rib fracture ... #Differential #
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Acute and Chronic Causes ... of Dyspnea - Differential ... Diagnosis Pulmonary ... Pleural effusion, Pulmonary ... #Differential #
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Erythrocytosis) - Differential ... 90%, Abnormal Abdominal ... Cyanosis without Pulmonary ... Apnea • Chronic Pulmonary
Stridor - Differential Diagnosis Framework:
High-pitched, variable respiratory sound

ETIOLOGIES:
Infectious:
 • Retropharyngeal abscess
 • Acute epiglottitis
 • Peritonsillar
Stridor - Differential ... Mechanical: • Larynx fracture ... stenosis #Stridor #differential ... #diagnosis #causes ... #pulmonary #airway
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
Pulse Pressure - Differential ... Physiologic Causes ... disorders - Chronic pulmonary ... Syndrome • Blunt Abdominal ... Infarction • Pulmonary
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
is the defining feature ... coagulopathy) • CBC w differential ... Goodpasture's cause ... hematuria, RBC casts ... Renal #Syndromes #differential