10 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... Complications are ... "pooping duck sign ... Wrist #Carpal #Radiology ... #XRay #Diagnosis
Diabetes Insipidus vs Syndrome of Inappropriate ADH (SIADH) - Comparison Table

Diabetes Insipidus - Inadequate ADH
SIADH -
ADH (SIADH) - Comparison ... Insipidus #SIADH #Comparison ... #Table #Pathophysiology ... #Signs #Symptoms ... #Diagnosis #Endocrinology
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
Tertiary Lab Comparison ... Symptoms: Commonly no signs ... Hyperparathyroidism #diagnosis ... #endocrinology ... Secondary #Tertiary #pathophysiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
4 Variants of Sinus ... and PR interval are ... #Arrhythmia #cardiology ... #diagnosis #ekg ... variants #clinical #comparison
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... child-bearing age ... : 'signet ring sign ... #Radiology #CTChest ... #Differential #Comparison
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
All of the below are ... Fusion beats - a sinus ... - Brugada's sign ... VT #VTach #SVT #Comparison ... #diagnosis #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
4 Variants of Sinus ... and PR interval are ... #Arrhythmia #cardiology ... #diagnosis #ekg ... variants #clinical #comparison
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
mastoid air cells are ... Meningitis, Venous sinus ... #Mastoiditis #pathophysiology ... #signs #symptoms ... #diagnosis #otology
Cushing's Syndrome - Hypercortisolism - Diagnosis and Clinical Features
1) Skin
 • Thin, easily bruisable skin with
Hypercortisolism - Diagnosis ... inferior petrosal sinus ... Hypercortisolism #Diagnosis ... #signs #symptoms ... #endocrinology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
- Differential Diagnosis ... STE: "Pardee's sign ... bundle-branch block; and sinus ... (Eiffel Tower sign ... #cardiology #ecg