10 results
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
J point • De Winter ... symmetrical T-waves ... • Hyperacute T wave ... ST-segment (T wave ... #differential #
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
- hyperacute T waves ... - deWinter T waves ... stenosis - U wave ... depression or T wave ... Interpretation #differential
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Elevation - Differential ... Diagnosis Framework STEMI ... STElevation #ST #STEMI ... #ekg #electrocardiogram
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
Important Causes ... of Diplopia TIER ... tumor, Miller-Fisher ... Thyroid myopathy (Graves ... #differential #
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... EKG of the same ... rapid cannon a waves ... Hussainch #Cannon #Awaves ... JVP #Cardiology #Neck
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
Differential diagnoses ... GBS • Miller-Fisher ... lesion of MLF) • Graves ... #Differential # ... Diagnosis #Causes
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
3 different P waves ... pause 2º - Mobitz ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology #differential
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
Hyperdefecation • Anterior neck ... diffuse goiter (Graves ... antibodies (TRAb) if Graves ... orbital edema, diplopia ... hyperthyroidism #causes
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
- 50%: Ptosis, diplopia ... Neck: “dropping ... life-threatening Differential ... dystrophy - Brain stem ... Serologic and EMG
Approach to Tracheostomy Emergencies - OnePager Summary
COMPONENTS OF A TRACHEOSTOMY TUBE:
 • Obturator - inserted into
tube against the neck ... tracheotomy tract takes ... Call for help (e.g ... This can cause life-threatening ... Emergencies #diagnosis #differential