1244 results
Physical exam findings of various ocular palsies; image courtesy of the BMJ

R 3rd nerve palsy
R 4th
nerve palsy R 4th ... nerve palsy R 6th ... Diagnosis #Chart #Comparison
Mechanism of malignancy-associated hypercalcemia. Abbreviations: 1,25(OH)2D, 1,25-dihydroxyvitamin D; NHL, non-Hodgkin lymphoma; PTH, parathyroid hormone; PTHrP, PTH-related
Abbreviations: 1,25(OH ... non-Hodgkin lymphoma; PTH ... hormone; PTHrP, PTH-related
Hypocalcemia - Differential Diagnosis Algorithm - Low and High PTH
LOW PTH - Hypoparathyroid
 - Congenital (Pediatric)
- Low and High PTH ... LOW PTH - Hypoparathyroid ... Hypomagnesemia HIGH PTH ... - 25-OH D very ... anti-convulsants) - 25-OH
Hyperparathyroidism classification
Different causes and features of hyperparathyroidism - raised parathormone (PTH).

#Diagnosis #Hyperparathyroidism #Differential #Primary #Secondary #Tertiary
parathormone (PTH ... Secondary #Tertiary #Comparison
Calcium homeostasis is a process controlled by chiefly by hormones vitamin D and PTH. 
Vitamin D
vitamin D and PTH ... Both 25(OH)D and ... 1,25(OH)2D are ... PTH acts to increase ... #Homeostasis #PTH
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
Tertiary Lab Comparison ... Hyperparathyroidism: ↑→PTH ... Hyperparathyroidism: ↑PTH ... Hyperparathyroidism: ↑↑PTH ... endocrinology #PTH
Cephalosporin Comparison - Coverage 
1st Generation Cefazolin, Cephalexin 
2nd Generation Cefaclor, Cefotetan, Cefoxitin, Cefuroxime 
3rd Generation
Cephalosporin Comparison ... Ceftriaxone 4th ... Ceftaroline: "5th ... For example, 4th ... Cephalosporin #Comparison
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
INR), Prolonged PTT ... • Prolonged PT ... • Prolonged PT ... , Normal PT (INR ... , Normal PT (INR
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Algorithm Elevated PTH ... Hypercalcemia Low PTH ... Calcitriol (1,25 OH
Differentiating PAH from PVH - Echocardiography
Pulmonary Artery Hypertension (PAH):
 • RV size - Enlarged
 • LA
Differentiating PAH ... from PVH - Echocardiography ... Hypertension (PAH ... Hypertension (PVH ... #comparison #diagnosis