5 results
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... • Cardio-pulmonary ... Lead toxicity • Progressive ... Neuromuscular Junction ... #Causes
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
disrupt cellular function ... multiple spinal cord ... - Causes progressive ... weakness in the ... - Further testing
Hypophosphatemia and Hypoxia - Pathophysiology

↓ Phosphate leads to ↓ red cell 2,3-DPG and a  reduction
impacts respiratory function ... Phosphate is a cause ... phosphorus is seen in COPD ... patients with COPD ... pathophysiology #pulmonary
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
full infectious work-up ... days → add fungal work-up ... Treat underlying cause ... Lower-extremity weakness ... renal failure, pulmonary
Evaluation of Recurrent Falls

Core Concept:
Maintaining an upright posture requires the integrated function of multiple systems.
Disruption in
the integrated function ... cardiogenic) - Pulmonary ... ) - Spinal cord ... : Focal weakness ... , muscle wasting