82 results
Schematic representation of the major sources of ammonia production and its excretory pathway (GI = gastrointestinal,
although hepatic causes ... namely, the many causes ... - Inherited Urea ... of ammonia: - Urease ... rare): - Reye syndrome
Marcus Gunn Phenomenon - Jaw Winking Syndrome

Jaw-winking syndrome is thought to be caused by abnormal innervation
- Jaw Winking Syndrome ... Jaw-winking syndrome ... thought to be caused ... Most cases are congenital ... video #neurology #physicalexam
Pemberton's Sign caused by a Retrosternal Thyroid Goiter

Elevating the arms causes the previously flat neck veins
Pemberton's Sign caused ... Elevating the arms causes ... superior vena cava syndrome ... Thyroid #Goiter #PhysicalExam ... neck #mass #SVC #Syndrome
Jaundice - Differential Diagnosis Algorithm
Pre-Hepatic - Unconjugated Hyperbilirubinemia
Increased Production
 • Hemolysis
 • Ineffective Erythropoiesis
 • Hematoma
Decreased
• Gilbert's Syndrome ... Crigler-Najjar Syndromes ... Dilatation on Ultrasound ... Diagnosis #Algorithm #Causes
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Causes of Secondary ... disease - Renal ultrasound ... Duplex Doppler ultrasound ... • Cushing’s syndrome ... Mineralocorticoid excess syndromes
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... - Causes paraesthesia ... sensory #motor #arm #physicalexam
Elevated Transaminases / Transaminitis - Differential Diagnosis

 • Infectious: HAV, HCV, HEV, EBV, HSV, CMV
 •
Infiltration- often breast ... Vascular: Budd-chiari syndrome ... Sinusoidal obstruction syndrome ... Differential #Diagnosis #causes
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Causes of Pericardial ... Arthritis, Sjogren Syndrome ... Disease, Behcet Syndrome ... : Lung Cancer, Breast ... Differential #Diagnosis #Causes
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Algorithm Pinpoint areas ... • Abdominal ultrasound ... Diagnosis #Algorithm #Causes ... #dermatology #physicalexam
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Bone/Joint Causes ... Patellofemoral pain syndrome ... Hematoma Venous Causes ... Edema Arterial Causes ... extremity #msk #physicalexam