4135 results
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... gas equation • Causes ... capillary-alveolar interface • Less ... • Most common cause ... Failure #hypoxia #Differential
Subtrochanteric Femur Fracture: Pathogenesis and clinical findings
 • Subtrochanteric region spans 5 cm distally from the
distally from the lesser ... fractures in elderly Causes ... orthopedics #diagnosis #differential ... #causes #pathophysiology
Causes of Wide Pulse Pressure - Differential Diagnosis
Physiologic:
 • Advanced age-arteriosclerosis (less compliant arteries)
 • Well
Causes of Wide Pulse ... Pressure - Differential ... age-arteriosclerosis (less ... Pulse #Pressure #Differential ... #Diagnosis #causes
Black and Bloody Stools - Melena and Hematochezia
Melena - Refers to passage of black, tarry (sticky
Less commonly, when ... result from other causes ... or anus; much less ... Hematochezia #Diagnosis #Differential ... #Causes #GIBleed
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Mydriasis and Miosis - Differential ... Diagnosis Framework Causes ... Hypothermia Causes ... Constricted pupils less ... Mydriasis #Miosis #differential
Syncope - Differential Diagnosis
The percentage of syncopal events secondary to arrhythmias or structural disease is generally
Syncope - Differential ... disease is generally less ... 2% #syncope #differential ... #diagnosis #causes
Causes of Erythema Nodosum
Common
 - Idiopathic (up to 55 percent)
 - Infections: streptococcal pharyngitis (28 to
Causes of Erythema ... colitis Rare (less ... Erythema #Nodosum #Causes ... #Differential #
Mechanisms of Pain
Mixed - Nociceptive/Neuropathic
Nociceptive - Tissue Damage
 - Visceral - (From organ/cavity lining) Poorly localized,
duration - Deep - Less ... Mechanisms #Neurology #Differential ... Diagnosis #Algorithm #Causes
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
Pulse Pressure - Differential ... Physiologic Causes ... age-arteriosclerosis (less ... Pathologic Causes ... Pathophysiology #causes
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... Pinpoint areas (less ... Petechiae #Rash #Differential ... Diagnosis #Algorithm #Causes