8 results
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
EKG of the same ... are enough to diagnose ... excludes other differentials ... sign! ... #Sign
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
V2 • Wellens sign ... pain • Wellens sign ... indistinguishable from ... #ECG #EKG #diagnosis ... #differential #
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
or R/S>I STEMI Equivalents ... / Don't Miss Signs ... bigger than QRS - deWinter ... #EKG #diagnosis ... Interpretation #differential
Ascites - Diagnostic Approach and Differential Diagnosis
The most common causes: cirrhosis, malignancy and heart failure. Approx
than one cause (e.g ... carcinomatosis, HF ... dullness, puddle sign ... incisional). 3) Signs ... Jcortesizaguirr #Ascites #workup
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Enteroviruses (e.g ... parenchymatous (tabes ... Acute meningeal signs ... bacterial from ... #diagnosis #neurology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... and Differential ... antihypertensive agents from ... hypertension and signs ... renal bruit or signs
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
Signs of poor perfusion ... Signs of congestion ... ECG is vital while ... #diagnosis #differential ... #heartfailure #chf
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Diagnosis Framework ... Envenomation (venom from ... Lack of UMN/LMN signs ... dystrophies Work ... #Diagnosis #neurology