22 results
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
6mm); • Light-near ... Holmes-Adie Syndrome ... - no light-near ... dissociation • Other causes ... #PhysicalExam #neurology
Adie's Pupil on Physical Exam

Adie's pupil is a neurological disorder characterized by a tonically dilated pupil
accommodation (i.e., light-near ... It is caused by ... infection which causes ... ophthalmology #neurology ... #syndrome
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... • Tumor lysis syndrome ... iatrogenic K+ load ... blockers - MCW Nephrology ... MCW_Nephrology #HyperKalemia
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... STE: "Pardee's sign ... ventricle pacing lead ... (Eiffel Tower sign ... voltage Other Causes
LAD
IWMI
LAHB
RAD
[PHB
RVH
Lateral wall infarct
Lead reversal
Dextrocardia
Wide ORS
RBBB - terminal delay
[BBB
IVED
WPW = delta wave
Hyperkalemia
Type l antiarrhythmic drugs
Pacemaker
ST elevation
Early repolarization
= delta wave Hyperkalemia ... drugs Pacemaker ST ... = VI Brugada syndrome ... hypertrophy Sinus pause ... LBBB #IVED #WPW #Hyperkalemia
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
Adie’s Tonic Pupil ... slightly reduced near ... otherwise healthy and had ... Adie’s tonic pupil ... #physicalexam #neurology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... PseudoHyperkalemia: • Lab ... - Tumor lysis syndrome ... differential #diagnosis #causes ... potassium #high #nephrology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
hypertension and signs ... heart failure, neurologic ... disorders including hypokalemia ... renal bruit or signs ... Neurologic disorders
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... PseudoHyperkalemia: • Lab ... - Tumor lysis syndrome ... differential #diagnosis #causes ... potassium #high #nephrology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
vs Tumor Lysis Syndrome ... high WBC count cause ... hyperviscosity syndrome ... signs of end organ ... hydration - Hyperkalemia