16 results
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T ... Specific for critical ... High rate in <1 ... #Wellens #Sign # ... EKG #ECG #Electrocardiogram
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
waves • Pseudo-STEMI ... concentration, the rate ... #Hyperkalemia #EKG ... #ECG #electrocardiogram ... cardiology #diagnosis #clinical
Atrial Fibrillation and WPW - Pre-Excitation AFib
In pre-excitation + a-fib with RVR:
 • All AV nodal
nodal blocking meds ... contraindicated • For rate ... PreExcitation #clinical ... #ecg #ekg #electrocardiogram
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
EKG of the same ... Cannon A per minute=rate ... excludes other differentials ... that’s called “clinical ... ’s called Frog sign
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
39 C this is a clinical ... Surgical devices, e.g ... Sepsis (→ 3-14) e.g ... malignant syndrome (e.g ... sign) (→ 3-8)
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
life-threatening Differential ... dystrophy - Brain stem ... Serologic and EMG ... - Peek sign ... diagnosis #management #neurology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
with systemic, neurologic ... Diagnosis = clinical ... not be subtle e.g ... very remarkable w/differential ... E.g. 80 yo ESR cutoff
Algorithm for Management of Head Injuries in Children
Primary survey:
 • Airway and cervical spine
 • Breathing
of vomiting • Clinical ... fontanelle • Sign ... skull fracture, e.g ... Injury #trama #pediatrics ... #peds
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
risk factors (eg ... hypertension (eg ... 109 mm Hg) with clinical ... hypertension (eg ... renal bruit or signs
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
PRES) Overview Clinico-Radiological ... brain PRES Clinical ... bone marrow or stem ... Reversible course Differential ... • EEG: With persistent