28 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 ... without chest pain, as ... EKG #ECG #Electrocardiogram
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)
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 ... diagnose the case as ... excludes other differentials ... that’s called “clinical
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
life-threatening Differential ... dystrophy - Brain stem ... Generalized fatigue - ALS ... Serologic and EMG ... first step in immunologic
Principal patterns of loss of sensation.
 (a) Thalamic lesion: sensory loss throughout opposite side (rare).
opposite side (rare ... Central cord lesion, e.g ... column lesion, e.g ... root lesions, e.g ... Comprehensive Review in Clinical
X-Linked Agammaglobulinemia: Pathogenesis and clinical findings
The epidemiology of this disease is 1/340,000 births and roughly double
Pathogenesis and clinical ... roughly double this rate ... Signs of immunodeficiency ... bacterial infections (e.g ... pathophysiology #immunology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
and Differential ... risk factors (eg ... hypertension (eg ... 109 mm Hg) with clinical ... hypertension (eg
Humoral Immunity - Pathogenesis and Clinical Findings
Antigens (Ag) are produced from pathogens (bacteria, viruses, fungi, parasites)
Pathogenesis and Clinical ... storage sites (e.g ... proliferate and differentiate ... antigen -> Incr Rate ... pathophysiology #immunology
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Immunosuppression (e.g ... Autoimmune diseases • Clinical ... Autoimmune diseases (e.g ... Noncontiguous spread • Clinical ... Malignancies (eg
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
and positioning (e.g ... adult, 10 ml.kg-1 paediatric ... Endocrine cause (eg ... #Hypotension #Differential ... Diagnosis #Management #Workup