12 results
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... rapid cannon a waves ... are enough to diagnose ... that’s called “clinical ... Hussainch #Cannon #Awaves
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
J point • De Winter ... V2 • Wellens sign ... indistinguishable from ... Equivalents #ECG #EKG #diagnosis ... #differential #
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Equivalents / Don't Miss Signs ... bigger than QRS - deWinter ... T waves - starts ... Ischemia #ECG #EKG #diagnosis ... Interpretation #differential
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wave Inversion ... threatening T wave ... angina; but T wave ... as they result from ... Electrocardiogram #Diagnosis
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
39 C this is a clinical ... hyperthermia crisis (late sign ... #Hyperthermia #Differential ... Anesthesiology #Anesthesia ... #Checklist #Diagnosis
High Central Neuraxial Block - Guidelines for Crises in Anaesthesia
• Can occur with deliberate or accidental
they may be fully aware ... hypnosis as soon as clinical ... that may mimic signs ... Intraoperative #Checklist ... #Diagnosis #Management
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
is unconscious, signs ... depression • T wave ... Anesthesiology #Anesthesia ... Intraoperative #Checklist ... #Diagnosis #Management
Malignant Hyperthermia Crisis - Guidelines for Crises in Anaesthesia
Unexplained increase in ETCO2 AND tachycardia AND increased
rise is a late sign ... Remove vaporisers from ... Plan admission to critical ... Intraoperative #Checklist ... #Diagnosis #Management
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
Hyperthyroidism Overview Clinical ... diffuse goiter (Graves ... antibodies (TRAb) if Graves ... #differential # ... endocrinology #signs
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Diagnosis Approach ... antihypertensive agents from ... 109 mm Hg) with clinical ... renal bruit or signs ... Coarctation of aorta