9 results
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
EKG of the same ... excludes other differentials ... ’s called Frog sign ... #PhysicalExam #JVP ... Cardiology #Neck #Frog #Sign
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... J point • De Winter ... V2 • Wellens sign ... pain • Wellens sign ... #differential #
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Approach to ECGs ... = Biomarkers + ECG ... Equivalents / Don't Miss Signs ... bigger than QRS - deWinter ... Interpretation #differential
Checklist for Evaluation of New-Onset Delirium in the ICU

Initial assessment 
 - 
Vital signs, neuro exam
assessment - Vital signs ... - CBC with differential ... presentation in winter ... tox/infectious workup ... Delirium #Evaluation #Workup
Ascites - Diagnostic Approach and Differential Diagnosis
The most common causes: cirrhosis, malignancy and heart failure. Approx
than one cause (e.g ... dullness, puddle sign ... incisional). 3) Signs ... Jcortesizaguirr #Ascites #workup ... #Differential #
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... and Differential ... hypertension and signs ... renal bruit or signs ... Neurologic disorders
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
Sepsis (→ 3-14) e.g ... hyperthermia crisis (late sign ... Phaeochromocytoma Neurologic ... #Hyperthermia #Differential ... Diagnosis #Management #Workup
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Lack of UMN/LMN signs ... dystrophies Work ... electromyographic (EMG ... #Diagnosis #neurology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Bacterial Meningitis - Differential ... Enteroviruses (e.g ... parenchymatous (tabes ... Acute meningeal signs ... #diagnosis #neurology