84 results
Menstrual Cycle Physiology: Ovarian Cycle – Ovulation Explained

Around Day 14, estrogen exerts sudden +++ positive feedback
understood) -> surge in LH ... production and release LH ... causes: • Increased ... 36 hours after LH ... pathophysiology #Ovulation #endocrinology
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... Cystic LCH: - LAM ... central dot. - LIP #Clinical ... Differential #Comparison #Table
Clinical Presentation and Diagnosis of Common Causes of Vaginitis

#Vaginitis #Differential #Diagnosis #Comparison #Table #Testing #Gynecology #OBGyn
Clinical Presentation ... Diagnosis of Common Causes ... Diagnosis #Comparison #Table
Typical Clinical Features of Major Causes of Acute Chest Discomfort

#ChestPain #Features #Signs #Symptoms #Comparison #Table #Characteristics
Typical Clinical ... Features of Major Causes ... Symptoms #Comparison #Table
Sellar / Pituitary Mass - Differential Diagnosis Algorithm
Adenoma - Primary Anterior Pituitary
 - Secreting
• TSH • LH ... Diagnosis #Algorithm #endocrinology ... #causes
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
LCH: multiple round ... #Clinical #Radiology ... Pattern #Comparison #Table
Bilateral Ballism on Neurological Examination - Movement Disorders

In this case caused by Bilateral limb-shaking transient ischemic
Disorders In this case ... caused by Bilateral ... Ballismus #Ballism #LSTIA ... #clinical #video
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
histiocytosis (LCH ... #Clinical #Radiology ... Pattern #Comparison #Table
Rachitic Rosary of Rickets on Physical Exam

Bead-like prominences of bone are seen at the costochondral joints.
mineralization causes ... #PhysicalExam #clinical ... VitaminD #deficiency #endocrinology
RIMA dissection during cardiac catheterization

RIMA explosion - never inject if the waveform is clearly dampened. Surprisingly
the LIMA/RIMA ostia ... #Fluoroscopy #Clinical ... #LHC #CathLab